Home / 18,126,469.76-25,015,188.26-9,866,132.76

Finding the Fourth Proportional to 18,126,469.76, 25,015,188.26 and 9,866,132.76

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Solution

The fourth proportional to 18,126,469.76, 25,015,188.26 and 9,866,132.76 is: 13,615,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,469.76 : 25,015,188.26 = 9,866,132.76 : x
  2. Step 2: Convert to fraction form
    18,126,469.76/25,015,188.26 = 9,866,132.76/x
  3. Step 3: Cross multiply
    18,126,469.76x = 25,015,188.26 × 9,866,132.76
  4. Step 4: Simplify right side
    18,126,469.76x = 246,803,168,389,553.41
  5. Step 5: Solve for x
    x = 246,803,168,389,553.41/18,126,469.76
  6. Step 6: Final answer
    x = 13,615,622.44

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Double scale
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1.5x scale

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.