Home / 21,062,040.30-31,593,060.45-17,660,817.90

Finding the Fourth Proportional to 21,062,040.30, 31,593,060.45 and 17,660,817.90

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Solution

The fourth proportional to 21,062,040.30, 31,593,060.45 and 17,660,817.90 is: 26,491,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,040.30 : 31,593,060.45 = 17,660,817.90 : x
  2. Step 2: Convert to fraction form
    21,062,040.30/31,593,060.45 = 17,660,817.90/x
  3. Step 3: Cross multiply
    21,062,040.30x = 31,593,060.45 × 17,660,817.90
  4. Step 4: Simplify right side
    21,062,040.30x = 557,959,287,511,142
  5. Step 5: Solve for x
    x = 557,959,287,511,142/21,062,040.30
  6. Step 6: Final answer
    x = 26,491,226.85

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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.