The managerial roles that are interrelated would be the informational roles and the decisional roles since the informational roles typically lead to the decisional roles. You need to get gather certain information through informational roles that would be very essential in the decision making of the decisional roles. For instance, an entrepreneur who has a decisional role, acquires information through the informational role and this piece of information plays a major bearing on the important decisions that the entrepreneur will make for the good of the business.