Home / 12,332,281.20-18,498,421.80-12,119,704.80

Finding the Fourth Proportional to 12,332,281.20, 18,498,421.80 and 12,119,704.80

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Solution

The fourth proportional to 12,332,281.20, 18,498,421.80 and 12,119,704.80 is: 18,179,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,281.20 : 18,498,421.80 = 12,119,704.80 : x
  2. Step 2: Convert to fraction form
    12,332,281.20/18,498,421.80 = 12,119,704.80/x
  3. Step 3: Cross multiply
    12,332,281.20x = 18,498,421.80 × 12,119,704.80
  4. Step 4: Simplify right side
    12,332,281.20x = 224,195,411,481,884.66
  5. Step 5: Solve for x
    x = 224,195,411,481,884.66/12,332,281.20
  6. Step 6: Final answer
    x = 18,179,557.20

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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.