Finding the Fourth Proportional to 11,351,371.01, 15,664,887.87 and 6,194,732.55
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Solution
The fourth proportional to 11,351,371.01, 15,664,887.87 and 6,194,732.55 is: 8,548,728.68
Step by Step Solution
- Step 1: Write the proportion equation
11,351,371.01 : 15,664,887.87 = 6,194,732.55 : x - Step 2: Convert to fraction form
11,351,371.01/15,664,887.87 = 6,194,732.55/x - Step 3: Cross multiply
11,351,371.01x = 15,664,887.87 × 6,194,732.55 - Step 4: Simplify right side
11,351,371.01x = 97,039,790,861,078.56 - Step 5: Solve for x
x = 97,039,790,861,078.56/11,351,371.01 - Step 6: Final answer
x = 8,548,728.68
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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.