Home / 47,238,234.40-70,857,351.60-13,164,839.20

Finding the Fourth Proportional to 47,238,234.40, 70,857,351.60 and 13,164,839.20

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Solution

The fourth proportional to 47,238,234.40, 70,857,351.60 and 13,164,839.20 is: 19,747,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,238,234.40 : 70,857,351.60 = 13,164,839.20 : x
  2. Step 2: Convert to fraction form
    47,238,234.40/70,857,351.60 = 13,164,839.20/x
  3. Step 3: Cross multiply
    47,238,234.40x = 70,857,351.60 × 13,164,839.20
  4. Step 4: Simplify right side
    47,238,234.40x = 932,825,639,951,862.62
  5. Step 5: Solve for x
    x = 932,825,639,951,862.62/47,238,234.40
  6. Step 6: Final answer
    x = 19,747,258.80

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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.