Home / 21,690,620.96-32,530,229.04-10,308,423.20

Finding the Fourth Proportional to 21,690,620.96, 32,530,229.04 and 10,308,423.20

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Solution

The fourth proportional to 21,690,620.96, 32,530,229.04 and 10,308,423.20 is: 15,459,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,620.96 : 32,530,229.04 = 10,308,423.20 : x
  2. Step 2: Convert to fraction form
    21,690,620.96/32,530,229.04 = 10,308,423.20/x
  3. Step 3: Cross multiply
    21,690,620.96x = 32,530,229.04 × 10,308,423.20
  4. Step 4: Simplify right side
    21,690,620.96x = 335,335,367,737,249.69
  5. Step 5: Solve for x
    x = 335,335,367,737,249.69/21,690,620.96
  6. Step 6: Final answer
    x = 15,459,924.75

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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.