Finding the Fourth Proportional to 11,116,748.81, 16,666,578.87 and 5,647,347.03
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Solution
The fourth proportional to 11,116,748.81, 16,666,578.87 and 5,647,347.03 is: 8,466,679.99
Step by Step Solution
- Step 1: Write the proportion equation
11,116,748.81 : 16,666,578.87 = 5,647,347.03 : x - Step 2: Convert to fraction form
11,116,748.81/16,666,578.87 = 5,647,347.03/x - Step 3: Cross multiply
11,116,748.81x = 16,666,578.87 × 5,647,347.03 - Step 4: Simplify right side
11,116,748.81x = 94,121,954,681,755.25 - Step 5: Solve for x
x = 94,121,954,681,755.25/11,116,748.81 - Step 6: Final answer
x = 8,466,679.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.