Home / 21,777,865.56-32,667,144.77-12,123,840.04

Finding the Fourth Proportional to 21,777,865.56, 32,667,144.77 and 12,123,840.04

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Solution

The fourth proportional to 21,777,865.56, 32,667,144.77 and 12,123,840.04 is: 18,185,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,865.56 : 32,667,144.77 = 12,123,840.04 : x
  2. Step 2: Convert to fraction form
    21,777,865.56/32,667,144.77 = 12,123,840.04/x
  3. Step 3: Cross multiply
    21,777,865.56x = 32,667,144.77 × 12,123,840.04
  4. Step 4: Simplify right side
    21,777,865.56x = 396,051,237,893,328
  5. Step 5: Solve for x
    x = 396,051,237,893,328/21,777,865.56
  6. Step 6: Final answer
    x = 18,185,952.92

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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.