Home / 12,229,617.33-18,343,947.15-4,142,592.92

Finding the Fourth Proportional to 12,229,617.33, 18,343,947.15 and 4,142,592.92

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Solution

The fourth proportional to 12,229,617.33, 18,343,947.15 and 4,142,592.92 is: 6,213,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,617.33 : 18,343,947.15 = 4,142,592.92 : x
  2. Step 2: Convert to fraction form
    12,229,617.33/18,343,947.15 = 4,142,592.92/x
  3. Step 3: Cross multiply
    12,229,617.33x = 18,343,947.15 × 4,142,592.92
  4. Step 4: Simplify right side
    12,229,617.33x = 75,991,505,634,304.03
  5. Step 5: Solve for x
    x = 75,991,505,634,304.03/12,229,617.33
  6. Step 6: Final answer
    x = 6,213,727.18

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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.