Home / 20,856,645.33-28,781,167.70-11,564,593.04

Finding the Fourth Proportional to 20,856,645.33, 28,781,167.70 and 11,564,593.04

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Solution

The fourth proportional to 20,856,645.33, 28,781,167.70 and 11,564,593.04 is: 15,958,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,645.33 : 28,781,167.70 = 11,564,593.04 : x
  2. Step 2: Convert to fraction form
    20,856,645.33/28,781,167.70 = 11,564,593.04/x
  3. Step 3: Cross multiply
    20,856,645.33x = 28,781,167.70 × 11,564,593.04
  4. Step 4: Simplify right side
    20,856,645.33x = 332,842,491,464,764
  5. Step 5: Solve for x
    x = 332,842,491,464,764/20,856,645.33
  6. Step 6: Final answer
    x = 15,958,582.32

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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.