Home / 18,792,147.90-28,188,221.85-15,013,011.90

Finding the Fourth Proportional to 18,792,147.90, 28,188,221.85 and 15,013,011.90

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Solution

The fourth proportional to 18,792,147.90, 28,188,221.85 and 15,013,011.90 is: 22,519,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,147.90 : 28,188,221.85 = 15,013,011.90 : x
  2. Step 2: Convert to fraction form
    18,792,147.90/28,188,221.85 = 15,013,011.90/x
  3. Step 3: Cross multiply
    18,792,147.90x = 28,188,221.85 × 15,013,011.90
  4. Step 4: Simplify right side
    18,792,147.90x = 423,190,110,073,890.06
  5. Step 5: Solve for x
    x = 423,190,110,073,890.06/18,792,147.90
  6. Step 6: Final answer
    x = 22,519,517.85

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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.