Home / 15,033,067.23-20,745,687.92-8,157,549.15

Finding the Fourth Proportional to 15,033,067.23, 20,745,687.92 and 8,157,549.15

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Solution

The fourth proportional to 15,033,067.23, 20,745,687.92 and 8,157,549.15 is: 11,257,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,067.23 : 20,745,687.92 = 8,157,549.15 : x
  2. Step 2: Convert to fraction form
    15,033,067.23/20,745,687.92 = 8,157,549.15/x
  3. Step 3: Cross multiply
    15,033,067.23x = 20,745,687.92 × 8,157,549.15
  4. Step 4: Simplify right side
    15,033,067.23x = 169,233,968,817,173.53
  5. Step 5: Solve for x
    x = 169,233,968,817,173.53/15,033,067.23
  6. Step 6: Final answer
    x = 11,257,447.75

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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.