Home / 21,892,517.80-32,857,439.10-9,780,620.20

Finding the Fourth Proportional to 21,892,517.80, 32,857,439.10 and 9,780,620.20

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Solution

The fourth proportional to 21,892,517.80, 32,857,439.10 and 9,780,620.20 is: 14,679,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,517.80 : 32,857,439.10 = 9,780,620.20 : x
  2. Step 2: Convert to fraction form
    21,892,517.80/32,857,439.10 = 9,780,620.20/x
  3. Step 3: Cross multiply
    21,892,517.80x = 32,857,439.10 × 9,780,620.20
  4. Step 4: Simplify right side
    21,892,517.80x = 321,366,132,581,729.81
  5. Step 5: Solve for x
    x = 321,366,132,581,729.81/21,892,517.80
  6. Step 6: Final answer
    x = 14,679,267.84

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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.