Home / 20,505,327.20-30,760,755.60-7,046,280.80

Finding the Fourth Proportional to 20,505,327.20, 30,760,755.60 and 7,046,280.80

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Solution

The fourth proportional to 20,505,327.20, 30,760,755.60 and 7,046,280.80 is: 10,570,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,505,327.20 : 30,760,755.60 = 7,046,280.80 : x
  2. Step 2: Convert to fraction form
    20,505,327.20/30,760,755.60 = 7,046,280.80/x
  3. Step 3: Cross multiply
    20,505,327.20x = 30,760,755.60 × 7,046,280.80
  4. Step 4: Simplify right side
    20,505,327.20x = 216,748,921,577,772.50
  5. Step 5: Solve for x
    x = 216,748,921,577,772.50/20,505,327.20
  6. Step 6: Final answer
    x = 10,570,371.27

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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.