Finding the Fourth Proportional to 21,753,682.38, 32,601,129.48 and 8,283,162.06
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Solution
The fourth proportional to 21,753,682.38, 32,601,129.48 and 8,283,162.06 is: 12,413,550.69
Step by Step Solution
- Step 1: Write the proportion equation
21,753,682.38 : 32,601,129.48 = 8,283,162.06 : x - Step 2: Convert to fraction form
21,753,682.38/32,601,129.48 = 8,283,162.06/x - Step 3: Cross multiply
21,753,682.38x = 32,601,129.48 × 8,283,162.06 - Step 4: Simplify right side
21,753,682.38x = 270,040,438,821,883.53 - Step 5: Solve for x
x = 270,040,438,821,883.53/21,753,682.38 - Step 6: Final answer
x = 12,413,550.69
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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.