Home / 18,761,369.73-28,141,758.95-5,981,788.32

Finding the Fourth Proportional to 18,761,369.73, 28,141,758.95 and 5,981,788.32

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Solution

The fourth proportional to 18,761,369.73, 28,141,758.95 and 5,981,788.32 is: 8,972,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,369.73 : 28,141,758.95 = 5,981,788.32 : x
  2. Step 2: Convert to fraction form
    18,761,369.73/28,141,758.95 = 5,981,788.32/x
  3. Step 3: Cross multiply
    18,761,369.73x = 28,141,758.95 × 5,981,788.32
  4. Step 4: Simplify right side
    18,761,369.73x = 168,338,044,961,456.53
  5. Step 5: Solve for x
    x = 168,338,044,961,456.53/18,761,369.73
  6. Step 6: Final answer
    x = 8,972,588.22

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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.