Home / 18,028,503.72-27,044,002.17-7,245,813.69

Finding the Fourth Proportional to 18,028,503.72, 27,044,002.17 and 7,245,813.69

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Solution

The fourth proportional to 18,028,503.72, 27,044,002.17 and 7,245,813.69 is: 10,869,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028,503.72 : 27,044,002.17 = 7,245,813.69 : x
  2. Step 2: Convert to fraction form
    18,028,503.72/27,044,002.17 = 7,245,813.69/x
  3. Step 3: Cross multiply
    18,028,503.72x = 27,044,002.17 × 7,245,813.69
  4. Step 4: Simplify right side
    18,028,503.72x = 195,955,801,155,775.72
  5. Step 5: Solve for x
    x = 195,955,801,155,775.72/18,028,503.72
  6. Step 6: Final answer
    x = 10,869,221.55

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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.