Home / 21,722,641.44-32,597,417.68-12,629,018.90

Finding the Fourth Proportional to 21,722,641.44, 32,597,417.68 and 12,629,018.90

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Solution

The fourth proportional to 21,722,641.44, 32,597,417.68 and 12,629,018.90 is: 18,951,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,641.44 : 32,597,417.68 = 12,629,018.90 : x
  2. Step 2: Convert to fraction form
    21,722,641.44/32,597,417.68 = 12,629,018.90/x
  3. Step 3: Cross multiply
    21,722,641.44x = 32,597,417.68 × 12,629,018.90
  4. Step 4: Simplify right side
    21,722,641.44x = 411,673,403,808,927.06
  5. Step 5: Solve for x
    x = 411,673,403,808,927.06/21,722,641.44
  6. Step 6: Final answer
    x = 18,951,351.06

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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.