Home / 21,722,642.94-32,597,419.92-12,629,020.40

Finding the Fourth Proportional to 21,722,642.94, 32,597,419.92 and 12,629,020.40

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Solution

The fourth proportional to 21,722,642.94, 32,597,419.92 and 12,629,020.40 is: 18,951,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,642.94 : 32,597,419.92 = 12,629,020.40 : x
  2. Step 2: Convert to fraction form
    21,722,642.94/32,597,419.92 = 12,629,020.40/x
  3. Step 3: Cross multiply
    21,722,642.94x = 32,597,419.92 × 12,629,020.40
  4. Step 4: Simplify right side
    21,722,642.94x = 411,673,481,157,046.38
  5. Step 5: Solve for x
    x = 411,673,481,157,046.38/21,722,642.94
  6. Step 6: Final answer
    x = 18,951,353.31

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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.