Home / 18,591,776.10-27,887,664.15-9,982,431.90

Finding the Fourth Proportional to 18,591,776.10, 27,887,664.15 and 9,982,431.90

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Solution

The fourth proportional to 18,591,776.10, 27,887,664.15 and 9,982,431.90 is: 14,973,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,776.10 : 27,887,664.15 = 9,982,431.90 : x
  2. Step 2: Convert to fraction form
    18,591,776.10/27,887,664.15 = 9,982,431.90/x
  3. Step 3: Cross multiply
    18,591,776.10x = 27,887,664.15 × 9,982,431.90
  4. Step 4: Simplify right side
    18,591,776.10x = 278,386,708,227,446.38
  5. Step 5: Solve for x
    x = 278,386,708,227,446.38/18,591,776.10
  6. Step 6: Final answer
    x = 14,973,647.85

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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.