Home / 28,304,145.90-42,456,218.85-27,831,753.90

Finding the Fourth Proportional to 28,304,145.90, 42,456,218.85 and 27,831,753.90

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Solution

The fourth proportional to 28,304,145.90, 42,456,218.85 and 27,831,753.90 is: 41,747,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304,145.90 : 42,456,218.85 = 27,831,753.90 : x
  2. Step 2: Convert to fraction form
    28,304,145.90/42,456,218.85 = 27,831,753.90/x
  3. Step 3: Cross multiply
    28,304,145.90x = 42,456,218.85 × 27,831,753.90
  4. Step 4: Simplify right side
    28,304,145.90x = 1,181,631,034,557,741
  5. Step 5: Solve for x
    x = 1,181,631,034,557,741/28,304,145.90
  6. Step 6: Final answer
    x = 41,747,630.85

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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.