Home / 14,711,839.86-20,302,020.72-8,517,148.86

Finding the Fourth Proportional to 14,711,839.86, 20,302,020.72 and 8,517,148.86

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Solution

The fourth proportional to 14,711,839.86, 20,302,020.72 and 8,517,148.86 is: 11,753,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711,839.86 : 20,302,020.72 = 8,517,148.86 : x
  2. Step 2: Convert to fraction form
    14,711,839.86/20,302,020.72 = 8,517,148.86/x
  3. Step 3: Cross multiply
    14,711,839.86x = 20,302,020.72 × 8,517,148.86
  4. Step 4: Simplify right side
    14,711,839.86x = 172,915,332,631,044.34
  5. Step 5: Solve for x
    x = 172,915,332,631,044.34/14,711,839.86
  6. Step 6: Final answer
    x = 11,753,481.16

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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.