Home / 18,187,843.40-27,281,765.10-7,399,591.10

Finding the Fourth Proportional to 18,187,843.40, 27,281,765.10 and 7,399,591.10

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Solution

The fourth proportional to 18,187,843.40, 27,281,765.10 and 7,399,591.10 is: 11,099,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,843.40 : 27,281,765.10 = 7,399,591.10 : x
  2. Step 2: Convert to fraction form
    18,187,843.40/27,281,765.10 = 7,399,591.10/x
  3. Step 3: Cross multiply
    18,187,843.40x = 27,281,765.10 × 7,399,591.10
  4. Step 4: Simplify right side
    18,187,843.40x = 201,873,906,226,250.62
  5. Step 5: Solve for x
    x = 201,873,906,226,250.62/18,187,843.40
  6. Step 6: Final answer
    x = 11,099,386.65

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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.