Home / 18,040,712.45-27,065,049.01-5,262,217.25

Finding the Fourth Proportional to 18,040,712.45, 27,065,049.01 and 5,262,217.25

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Solution

The fourth proportional to 18,040,712.45, 27,065,049.01 and 5,262,217.25 is: 7,894,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040,712.45 : 27,065,049.01 = 5,262,217.25 : x
  2. Step 2: Convert to fraction form
    18,040,712.45/27,065,049.01 = 5,262,217.25/x
  3. Step 3: Cross multiply
    18,040,712.45x = 27,065,049.01 × 5,262,217.25
  4. Step 4: Simplify right side
    18,040,712.45x = 142,422,167,624,036.62
  5. Step 5: Solve for x
    x = 142,422,167,624,036.62/18,040,712.45
  6. Step 6: Final answer
    x = 7,894,486.88

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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.