Home / 42,755,893.28-64,144,469.04-12,464,022.56

Finding the Fourth Proportional to 42,755,893.28, 64,144,469.04 and 12,464,022.56

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Solution

The fourth proportional to 42,755,893.28, 64,144,469.04 and 12,464,022.56 is: 18,699,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755,893.28 : 64,144,469.04 = 12,464,022.56 : x
  2. Step 2: Convert to fraction form
    42,755,893.28/64,144,469.04 = 12,464,022.56/x
  3. Step 3: Cross multiply
    42,755,893.28x = 64,144,469.04 × 12,464,022.56
  4. Step 4: Simplify right side
    42,755,893.28x = 799,498,109,213,781.62
  5. Step 5: Solve for x
    x = 799,498,109,213,781.62/42,755,893.28
  6. Step 6: Final answer
    x = 18,699,132.40

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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.