Home / 13,469,270.70-20,206,530.45-5,380,869.90

Finding the Fourth Proportional to 13,469,270.70, 20,206,530.45 and 5,380,869.90

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Solution

The fourth proportional to 13,469,270.70, 20,206,530.45 and 5,380,869.90 is: 8,072,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,270.70 : 20,206,530.45 = 5,380,869.90 : x
  2. Step 2: Convert to fraction form
    13,469,270.70/20,206,530.45 = 5,380,869.90/x
  3. Step 3: Cross multiply
    13,469,270.70x = 20,206,530.45 × 5,380,869.90
  4. Step 4: Simplify right side
    13,469,270.70x = 108,728,711,481,838.45
  5. Step 5: Solve for x
    x = 108,728,711,481,838.45/13,469,270.70
  6. Step 6: Final answer
    x = 8,072,353.28

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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.