Home / 20,299,350.60-30,449,025.90-5,153,282.10

Finding the Fourth Proportional to 20,299,350.60, 30,449,025.90 and 5,153,282.10

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Solution

The fourth proportional to 20,299,350.60, 30,449,025.90 and 5,153,282.10 is: 7,729,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,350.60 : 30,449,025.90 = 5,153,282.10 : x
  2. Step 2: Convert to fraction form
    20,299,350.60/30,449,025.90 = 5,153,282.10/x
  3. Step 3: Cross multiply
    20,299,350.60x = 30,449,025.90 × 5,153,282.10
  4. Step 4: Simplify right side
    20,299,350.60x = 156,912,420,132,906.38
  5. Step 5: Solve for x
    x = 156,912,420,132,906.38/20,299,350.60
  6. Step 6: Final answer
    x = 7,729,923.15

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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.