Home / 12,861,104.66-19,287,593.91-4,223,781.88

Finding the Fourth Proportional to 12,861,104.66, 19,287,593.91 and 4,223,781.88

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Solution

The fourth proportional to 12,861,104.66, 19,287,593.91 and 4,223,781.88 is: 6,334,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,104.66 : 19,287,593.91 = 4,223,781.88 : x
  2. Step 2: Convert to fraction form
    12,861,104.66/19,287,593.91 = 4,223,781.88/x
  3. Step 3: Cross multiply
    12,861,104.66x = 19,287,593.91 × 4,223,781.88
  4. Step 4: Simplify right side
    12,861,104.66x = 81,466,589,617,637.38
  5. Step 5: Solve for x
    x = 81,466,589,617,637.38/12,861,104.66
  6. Step 6: Final answer
    x = 6,334,338.44

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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.