Home / 18,125,523.40-27,188,285.10-17,428,793.80

Finding the Fourth Proportional to 18,125,523.40, 27,188,285.10 and 17,428,793.80

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Solution

The fourth proportional to 18,125,523.40, 27,188,285.10 and 17,428,793.80 is: 26,143,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,523.40 : 27,188,285.10 = 17,428,793.80 : x
  2. Step 2: Convert to fraction form
    18,125,523.40/27,188,285.10 = 17,428,793.80/x
  3. Step 3: Cross multiply
    18,125,523.40x = 27,188,285.10 × 17,428,793.80
  4. Step 4: Simplify right side
    18,125,523.40x = 473,859,014,783,512.44
  5. Step 5: Solve for x
    x = 473,859,014,783,512.44/18,125,523.40
  6. Step 6: Final answer
    x = 26,143,190.70

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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.