Home / 12,332,964.60-18,499,446.90-12,144,007.80

Finding the Fourth Proportional to 12,332,964.60, 18,499,446.90 and 12,144,007.80

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Solution

The fourth proportional to 12,332,964.60, 18,499,446.90 and 12,144,007.80 is: 18,216,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,964.60 : 18,499,446.90 = 12,144,007.80 : x
  2. Step 2: Convert to fraction form
    12,332,964.60/18,499,446.90 = 12,144,007.80/x
  3. Step 3: Cross multiply
    12,332,964.60x = 18,499,446.90 × 12,144,007.80
  4. Step 4: Simplify right side
    12,332,964.60x = 224,657,427,449,285.81
  5. Step 5: Solve for x
    x = 224,657,427,449,285.81/12,332,964.60
  6. Step 6: Final answer
    x = 18,216,011.70

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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.