Finding the Fourth Proportional to 10,904,461.20, 16,356,691.80 and 2,817,421.20
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Solution
The fourth proportional to 10,904,461.20, 16,356,691.80 and 2,817,421.20 is: 4,226,131.80
Step by Step Solution
- Step 1: Write the proportion equation
10,904,461.20 : 16,356,691.80 = 2,817,421.20 : x - Step 2: Convert to fraction form
10,904,461.20/16,356,691.80 = 2,817,421.20/x - Step 3: Cross multiply
10,904,461.20x = 16,356,691.80 × 2,817,421.20 - Step 4: Simplify right side
10,904,461.20x = 46,083,690,239,186.16 - Step 5: Solve for x
x = 46,083,690,239,186.16/10,904,461.20 - Step 6: Final answer
x = 4,226,131.80
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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.