Home / 8,792,221.70-13,188,332.55-5,432,989.70

Finding the Fourth Proportional to 8,792,221.70, 13,188,332.55 and 5,432,989.70

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Solution

The fourth proportional to 8,792,221.70, 13,188,332.55 and 5,432,989.70 is: 8,149,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,221.70 : 13,188,332.55 = 5,432,989.70 : x
  2. Step 2: Convert to fraction form
    8,792,221.70/13,188,332.55 = 5,432,989.70/x
  3. Step 3: Cross multiply
    8,792,221.70x = 13,188,332.55 × 5,432,989.70
  4. Step 4: Simplify right side
    8,792,221.70x = 71,652,074,904,324.73
  5. Step 5: Solve for x
    x = 71,652,074,904,324.73/8,792,221.70
  6. Step 6: Final answer
    x = 8,149,484.55

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Double scale
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Similar ratio
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1.5x scale

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.