Finding the Fourth Proportional to 15,201,234.57, 20,977,723.97 and 8,231,924.13
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Solution
The fourth proportional to 15,201,234.57, 20,977,723.97 and 8,231,924.13 is: 11,360,066.27
Step by Step Solution
- Step 1: Write the proportion equation
15,201,234.57 : 20,977,723.97 = 8,231,924.13 : x - Step 2: Convert to fraction form
15,201,234.57/20,977,723.97 = 8,231,924.13/x - Step 3: Cross multiply
15,201,234.57x = 20,977,723.97 × 8,231,924.13 - Step 4: Simplify right side
15,201,234.57x = 172,687,032,141,122.38 - Step 5: Solve for x
x = 172,687,032,141,122.38/15,201,234.57 - Step 6: Final answer
x = 11,360,066.27
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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.