Home / 12,145,834.13-16,761,251.88-6,639,230.79

Finding the Fourth Proportional to 12,145,834.13, 16,761,251.88 and 6,639,230.79

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Solution

The fourth proportional to 12,145,834.13, 16,761,251.88 and 6,639,230.79 is: 9,162,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,834.13 : 16,761,251.88 = 6,639,230.79 : x
  2. Step 2: Convert to fraction form
    12,145,834.13/16,761,251.88 = 6,639,230.79/x
  3. Step 3: Cross multiply
    12,145,834.13x = 16,761,251.88 × 6,639,230.79
  4. Step 4: Simplify right side
    12,145,834.13x = 111,281,819,560,641.39
  5. Step 5: Solve for x
    x = 111,281,819,560,641.39/12,145,834.13
  6. Step 6: Final answer
    x = 9,162,138.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.