Home / 8,930,834.40-13,396,251.60-5,141,200.80

Finding the Fourth Proportional to 8,930,834.40, 13,396,251.60 and 5,141,200.80

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Solution

The fourth proportional to 8,930,834.40, 13,396,251.60 and 5,141,200.80 is: 7,711,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930,834.40 : 13,396,251.60 = 5,141,200.80 : x
  2. Step 2: Convert to fraction form
    8,930,834.40/13,396,251.60 = 5,141,200.80/x
  3. Step 3: Cross multiply
    8,930,834.40x = 13,396,251.60 × 5,141,200.80
  4. Step 4: Simplify right side
    8,930,834.40x = 68,872,819,442,921.27
  5. Step 5: Solve for x
    x = 68,872,819,442,921.27/8,930,834.40
  6. Step 6: Final answer
    x = 7,711,801.20

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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.