Home / 12,255,344-18,383,016-3,279,662.72

Finding the Fourth Proportional to 12,255,344, 18,383,016 and 3,279,662.72

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Solution

The fourth proportional to 12,255,344, 18,383,016 and 3,279,662.72 is: 4,919,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255,344 : 18,383,016 = 3,279,662.72 : x
  2. Step 2: Convert to fraction form
    12,255,344/18,383,016 = 3,279,662.72/x
  3. Step 3: Cross multiply
    12,255,344x = 18,383,016 × 3,279,662.72
  4. Step 4: Simplify right side
    12,255,344x = 60,290,092,256,363.52
  5. Step 5: Solve for x
    x = 60,290,092,256,363.52/12,255,344
  6. Step 6: Final answer
    x = 4,919,494.08

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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.