Home / 21,639,118.59-32,407,158.24-12,521,996.73

Finding the Fourth Proportional to 21,639,118.59, 32,407,158.24 and 12,521,996.73

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Solution

The fourth proportional to 21,639,118.59, 32,407,158.24 and 12,521,996.73 is: 18,753,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639,118.59 : 32,407,158.24 = 12,521,996.73 : x
  2. Step 2: Convert to fraction form
    21,639,118.59/32,407,158.24 = 12,521,996.73/x
  3. Step 3: Cross multiply
    21,639,118.59x = 32,407,158.24 × 12,521,996.73
  4. Step 4: Simplify right side
    21,639,118.59x = 405,802,329,509,872.56
  5. Step 5: Solve for x
    x = 405,802,329,509,872.56/21,639,118.59
  6. Step 6: Final answer
    x = 18,753,182.01

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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.