Home / 21,873,432.73-32,802,550.62-12,172,849.24

Finding the Fourth Proportional to 21,873,432.73, 32,802,550.62 and 12,172,849.24

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Solution

The fourth proportional to 21,873,432.73, 32,802,550.62 and 12,172,849.24 is: 18,255,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,432.73 : 32,802,550.62 = 12,172,849.24 : x
  2. Step 2: Convert to fraction form
    21,873,432.73/32,802,550.62 = 12,172,849.24/x
  3. Step 3: Cross multiply
    21,873,432.73x = 32,802,550.62 × 12,172,849.24
  4. Step 4: Simplify right side
    21,873,432.73x = 399,300,503,384,728.56
  5. Step 5: Solve for x
    x = 399,300,503,384,728.56/21,873,432.73
  6. Step 6: Final answer
    x = 18,255,045.21

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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.