Home / 21,761,689.60-32,614,540.80-13,232,972.80

Finding the Fourth Proportional to 21,761,689.60, 32,614,540.80 and 13,232,972.80

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Solution

The fourth proportional to 21,761,689.60, 32,614,540.80 and 13,232,972.80 is: 19,832,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,689.60 : 32,614,540.80 = 13,232,972.80 : x
  2. Step 2: Convert to fraction form
    21,761,689.60/32,614,540.80 = 13,232,972.80/x
  3. Step 3: Cross multiply
    21,761,689.60x = 32,614,540.80 × 13,232,972.80
  4. Step 4: Simplify right side
    21,761,689.60x = 431,587,331,290,890.25
  5. Step 5: Solve for x
    x = 431,587,331,290,890.25/21,761,689.60
  6. Step 6: Final answer
    x = 19,832,436.69

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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.