Home / 39,310,843.59-54,246,581.08-21,668,974.65

Finding the Fourth Proportional to 39,310,843.59, 54,246,581.08 and 21,668,974.65

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Solution

The fourth proportional to 39,310,843.59, 54,246,581.08 and 21,668,974.65 is: 29,901,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310,843.59 : 54,246,581.08 = 21,668,974.65 : x
  2. Step 2: Convert to fraction form
    39,310,843.59/54,246,581.08 = 21,668,974.65/x
  3. Step 3: Cross multiply
    39,310,843.59x = 54,246,581.08 × 21,668,974.65
  4. Step 4: Simplify right side
    39,310,843.59x = 1,175,467,790,217,517
  5. Step 5: Solve for x
    x = 1,175,467,790,217,517/39,310,843.59
  6. Step 6: Final answer
    x = 29,901,871.41

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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.