Home / 12,025,034.20-18,037,551.30-9,155,252.80

Finding the Fourth Proportional to 12,025,034.20, 18,037,551.30 and 9,155,252.80

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Solution

The fourth proportional to 12,025,034.20, 18,037,551.30 and 9,155,252.80 is: 13,732,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025,034.20 : 18,037,551.30 = 9,155,252.80 : x
  2. Step 2: Convert to fraction form
    12,025,034.20/18,037,551.30 = 9,155,252.80/x
  3. Step 3: Cross multiply
    12,025,034.20x = 18,037,551.30 × 9,155,252.80
  4. Step 4: Simplify right side
    12,025,034.20x = 165,138,342,044,468.66
  5. Step 5: Solve for x
    x = 165,138,342,044,468.66/12,025,034.20
  6. Step 6: Final answer
    x = 13,732,879.20

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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.