Home / 18,104,857.20-27,188,778.60-9,601,801.20

Finding the Fourth Proportional to 18,104,857.20, 27,188,778.60 and 9,601,801.20

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Solution

The fourth proportional to 18,104,857.20, 27,188,778.60 and 9,601,801.20 is: 14,419,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,857.20 : 27,188,778.60 = 9,601,801.20 : x
  2. Step 2: Convert to fraction form
    18,104,857.20/27,188,778.60 = 9,601,801.20/x
  3. Step 3: Cross multiply
    18,104,857.20x = 27,188,778.60 × 9,601,801.20
  4. Step 4: Simplify right side
    18,104,857.20x = 261,061,246,988,014.31
  5. Step 5: Solve for x
    x = 261,061,246,988,014.31/18,104,857.20
  6. Step 6: Final answer
    x = 14,419,403.82

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1.5x scale

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.