Home / 15,204,083.13-20,964,822.17-9,688,721.85

Finding the Fourth Proportional to 15,204,083.13, 20,964,822.17 and 9,688,721.85

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Solution

The fourth proportional to 15,204,083.13, 20,964,822.17 and 9,688,721.85 is: 13,359,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,083.13 : 20,964,822.17 = 9,688,721.85 : x
  2. Step 2: Convert to fraction form
    15,204,083.13/20,964,822.17 = 9,688,721.85/x
  3. Step 3: Cross multiply
    15,204,083.13x = 20,964,822.17 × 9,688,721.85
  4. Step 4: Simplify right side
    15,204,083.13x = 203,122,330,591,399.78
  5. Step 5: Solve for x
    x = 203,122,330,591,399.78/15,204,083.13
  6. Step 6: Final answer
    x = 13,359,722.44

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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.