Home / 13,729,500.60-20,570,631.30-8,934,721.80

Finding the Fourth Proportional to 13,729,500.60, 20,570,631.30 and 8,934,721.80

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Solution

The fourth proportional to 13,729,500.60, 20,570,631.30 and 8,934,721.80 is: 13,386,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,500.60 : 20,570,631.30 = 8,934,721.80 : x
  2. Step 2: Convert to fraction form
    13,729,500.60/20,570,631.30 = 8,934,721.80/x
  3. Step 3: Cross multiply
    13,729,500.60x = 20,570,631.30 × 8,934,721.80
  4. Step 4: Simplify right side
    13,729,500.60x = 183,792,867,915,872.38
  5. Step 5: Solve for x
    x = 183,792,867,915,872.38/13,729,500.60
  6. Step 6: Final answer
    x = 13,386,711.82

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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.