Finding the Fourth Proportional to 15,202,438.02, 20,979,373.29 and 8,327,034.90
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Solution
The fourth proportional to 15,202,438.02, 20,979,373.29 and 8,327,034.90 is: 11,491,312.99
Step by Step Solution
- Step 1: Write the proportion equation
15,202,438.02 : 20,979,373.29 = 8,327,034.90 : x - Step 2: Convert to fraction form
15,202,438.02/20,979,373.29 = 8,327,034.90/x - Step 3: Cross multiply
15,202,438.02x = 20,979,373.29 × 8,327,034.90 - Step 4: Simplify right side
15,202,438.02x = 174,695,973,565,957.81 - Step 5: Solve for x
x = 174,695,973,565,957.81/15,202,438.02 - Step 6: Final answer
x = 11,491,312.99
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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.