Finding the Fourth Proportional to 11,284,757.24, 15,583,593.42 and 7,856,372.60
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Solution
The fourth proportional to 11,284,757.24, 15,583,593.42 and 7,856,372.60 is: 10,849,193.63
Step by Step Solution
- Step 1: Write the proportion equation
11,284,757.24 : 15,583,593.42 = 7,856,372.60 : x - Step 2: Convert to fraction form
11,284,757.24/15,583,593.42 = 7,856,372.60/x - Step 3: Cross multiply
11,284,757.24x = 15,583,593.42 × 7,856,372.60 - Step 4: Simplify right side
11,284,757.24x = 122,430,516,354,428.28 - Step 5: Solve for x
x = 122,430,516,354,428.28/11,284,757.24 - Step 6: Final answer
x = 10,849,193.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.