Home / 12,332,288.20-18,498,432.30-12,119,711.80

Finding the Fourth Proportional to 12,332,288.20, 18,498,432.30 and 12,119,711.80

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Solution

The fourth proportional to 12,332,288.20, 18,498,432.30 and 12,119,711.80 is: 18,179,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,288.20 : 18,498,432.30 = 12,119,711.80 : x
  2. Step 2: Convert to fraction form
    12,332,288.20/18,498,432.30 = 12,119,711.80/x
  3. Step 3: Cross multiply
    12,332,288.20x = 18,498,432.30 × 12,119,711.80
  4. Step 4: Simplify right side
    12,332,288.20x = 224,195,668,227,811.16
  5. Step 5: Solve for x
    x = 224,195,668,227,811.16/12,332,288.20
  6. Step 6: Final answer
    x = 18,179,567.70

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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.