Home / 18,887,965.20-28,331,947.80-17,376,310.80

Finding the Fourth Proportional to 18,887,965.20, 28,331,947.80 and 17,376,310.80

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Solution

The fourth proportional to 18,887,965.20, 28,331,947.80 and 17,376,310.80 is: 26,064,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,965.20 : 28,331,947.80 = 17,376,310.80 : x
  2. Step 2: Convert to fraction form
    18,887,965.20/28,331,947.80 = 17,376,310.80/x
  3. Step 3: Cross multiply
    18,887,965.20x = 28,331,947.80 × 17,376,310.80
  4. Step 4: Simplify right side
    18,887,965.20x = 492,304,730,542,176.25
  5. Step 5: Solve for x
    x = 492,304,730,542,176.25/18,887,965.20
  6. Step 6: Final answer
    x = 26,064,466.20

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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.