Home / 21,943,872.80-32,915,809.20-18,696,615.20

Finding the Fourth Proportional to 21,943,872.80, 32,915,809.20 and 18,696,615.20

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Solution

The fourth proportional to 21,943,872.80, 32,915,809.20 and 18,696,615.20 is: 28,044,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,872.80 : 32,915,809.20 = 18,696,615.20 : x
  2. Step 2: Convert to fraction form
    21,943,872.80/32,915,809.20 = 18,696,615.20/x
  3. Step 3: Cross multiply
    21,943,872.80x = 32,915,809.20 × 18,696,615.20
  4. Step 4: Simplify right side
    21,943,872.80x = 615,414,218,609,019.75
  5. Step 5: Solve for x
    x = 615,414,218,609,019.75/21,943,872.80
  6. Step 6: Final answer
    x = 28,044,922.80

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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.