Home / 20,186,180.15-30,279,270.23-9,424,499.90

Finding the Fourth Proportional to 20,186,180.15, 30,279,270.23 and 9,424,499.90

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Solution

The fourth proportional to 20,186,180.15, 30,279,270.23 and 9,424,499.90 is: 14,136,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,180.15 : 30,279,270.23 = 9,424,499.90 : x
  2. Step 2: Convert to fraction form
    20,186,180.15/30,279,270.23 = 9,424,499.90/x
  3. Step 3: Cross multiply
    20,186,180.15x = 30,279,270.23 × 9,424,499.90
  4. Step 4: Simplify right side
    20,186,180.15x = 285,366,979,207,585.50
  5. Step 5: Solve for x
    x = 285,366,979,207,585.50/20,186,180.15
  6. Step 6: Final answer
    x = 14,136,749.85

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Double scale
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Similar ratio
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1.5x scale

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.