Home / 27,230,245.20-40,789,380.60-18,720,190.80

Finding the Fourth Proportional to 27,230,245.20, 40,789,380.60 and 18,720,190.80

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Solution

The fourth proportional to 27,230,245.20, 40,789,380.60 and 18,720,190.80 is: 28,041,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230,245.20 : 40,789,380.60 = 18,720,190.80 : x
  2. Step 2: Convert to fraction form
    27,230,245.20/40,789,380.60 = 18,720,190.80/x
  3. Step 3: Cross multiply
    27,230,245.20x = 40,789,380.60 × 18,720,190.80
  4. Step 4: Simplify right side
    27,230,245.20x = 763,584,987,445,818.50
  5. Step 5: Solve for x
    x = 763,584,987,445,818.50/27,230,245.20
  6. Step 6: Final answer
    x = 28,041,796.24

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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.