Home / 18,218,758.10-25,141,887.36-9,958,853.12

Finding the Fourth Proportional to 18,218,758.10, 25,141,887.36 and 9,958,853.12

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Solution

The fourth proportional to 18,218,758.10, 25,141,887.36 and 9,958,853.12 is: 13,743,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,758.10 : 25,141,887.36 = 9,958,853.12 : x
  2. Step 2: Convert to fraction form
    18,218,758.10/25,141,887.36 = 9,958,853.12/x
  3. Step 3: Cross multiply
    18,218,758.10x = 25,141,887.36 × 9,958,853.12
  4. Step 4: Simplify right side
    18,218,758.10x = 250,384,363,252,115.12
  5. Step 5: Solve for x
    x = 250,384,363,252,115.12/18,218,758.10
  6. Step 6: Final answer
    x = 13,743,217.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.