Finding the Fourth Proportional to 16,165,691.40, 24,248,537.10 and 10,426,128.60
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Solution
The fourth proportional to 16,165,691.40, 24,248,537.10 and 10,426,128.60 is: 15,639,192.90
Step by Step Solution
- Step 1: Write the proportion equation
16,165,691.40 : 24,248,537.10 = 10,426,128.60 : x - Step 2: Convert to fraction form
16,165,691.40/24,248,537.10 = 10,426,128.60/x - Step 3: Cross multiply
16,165,691.40x = 24,248,537.10 × 10,426,128.60 - Step 4: Simplify right side
16,165,691.40x = 252,818,366,166,471.06 - Step 5: Solve for x
x = 252,818,366,166,471.06/16,165,691.40 - Step 6: Final answer
x = 15,639,192.90
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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.