Home / 22,419,885.82-30,941,728.20-13,723,805.20

Finding the Fourth Proportional to 22,419,885.82, 30,941,728.20 and 13,723,805.20

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Solution

The fourth proportional to 22,419,885.82, 30,941,728.20 and 13,723,805.20 is: 18,940,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419,885.82 : 30,941,728.20 = 13,723,805.20 : x
  2. Step 2: Convert to fraction form
    22,419,885.82/30,941,728.20 = 13,723,805.20/x
  3. Step 3: Cross multiply
    22,419,885.82x = 30,941,728.20 × 13,723,805.20
  4. Step 4: Simplify right side
    22,419,885.82x = 424,638,250,368,146.62
  5. Step 5: Solve for x
    x = 424,638,250,368,146.62/22,419,885.82
  6. Step 6: Final answer
    x = 18,940,250.36

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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.