Home / 21,613,141.91-29,826,371.25-11,823,375.92

Finding the Fourth Proportional to 21,613,141.91, 29,826,371.25 and 11,823,375.92

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Solution

The fourth proportional to 21,613,141.91, 29,826,371.25 and 11,823,375.92 is: 16,316,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,141.91 : 29,826,371.25 = 11,823,375.92 : x
  2. Step 2: Convert to fraction form
    21,613,141.91/29,826,371.25 = 11,823,375.92/x
  3. Step 3: Cross multiply
    21,613,141.91x = 29,826,371.25 × 11,823,375.92
  4. Step 4: Simplify right side
    21,613,141.91x = 352,648,399,469,098.44
  5. Step 5: Solve for x
    x = 352,648,399,469,098.44/21,613,141.91
  6. Step 6: Final answer
    x = 16,316,387.55

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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.