Home / 20,548,781.77-28,337,757.38-12,287,531.43

Finding the Fourth Proportional to 20,548,781.77, 28,337,757.38 and 12,287,531.43

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Solution

The fourth proportional to 20,548,781.77, 28,337,757.38 and 12,287,531.43 is: 16,945,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,781.77 : 28,337,757.38 = 12,287,531.43 : x
  2. Step 2: Convert to fraction form
    20,548,781.77/28,337,757.38 = 12,287,531.43/x
  3. Step 3: Cross multiply
    20,548,781.77x = 28,337,757.38 × 12,287,531.43
  4. Step 4: Simplify right side
    20,548,781.77x = 348,201,084,462,464.44
  5. Step 5: Solve for x
    x = 348,201,084,462,464.44/20,548,781.77
  6. Step 6: Final answer
    x = 16,945,096.23

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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.