Home / 42,416,540.65-63,629,793.91-15,126,713.15

Finding the Fourth Proportional to 42,416,540.65, 63,629,793.91 and 15,126,713.15

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Solution

The fourth proportional to 42,416,540.65, 63,629,793.91 and 15,126,713.15 is: 22,691,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416,540.65 : 63,629,793.91 = 15,126,713.15 : x
  2. Step 2: Convert to fraction form
    42,416,540.65/63,629,793.91 = 15,126,713.15/x
  3. Step 3: Cross multiply
    42,416,540.65x = 63,629,793.91 × 15,126,713.15
  4. Step 4: Simplify right side
    42,416,540.65x = 962,509,639,970,946.38
  5. Step 5: Solve for x
    x = 962,509,639,970,946.38/42,416,540.65
  6. Step 6: Final answer
    x = 22,691,846.75

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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.