Home / 15,057,614.43-20,777,821.32-8,529,845.88

Finding the Fourth Proportional to 15,057,614.43, 20,777,821.32 and 8,529,845.88

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Solution

The fourth proportional to 15,057,614.43, 20,777,821.32 and 8,529,845.88 is: 11,770,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,614.43 : 20,777,821.32 = 8,529,845.88 : x
  2. Step 2: Convert to fraction form
    15,057,614.43/20,777,821.32 = 8,529,845.88/x
  3. Step 3: Cross multiply
    15,057,614.43x = 20,777,821.32 × 8,529,845.88
  4. Step 4: Simplify right side
    15,057,614.43x = 177,231,613,581,778.19
  5. Step 5: Solve for x
    x = 177,231,613,581,778.19/15,057,614.43
  6. Step 6: Final answer
    x = 11,770,231.89

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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.