Home / 21,351,025.70-32,026,538.55-20,305,931.30

Finding the Fourth Proportional to 21,351,025.70, 32,026,538.55 and 20,305,931.30

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Solution

The fourth proportional to 21,351,025.70, 32,026,538.55 and 20,305,931.30 is: 30,458,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,025.70 : 32,026,538.55 = 20,305,931.30 : x
  2. Step 2: Convert to fraction form
    21,351,025.70/32,026,538.55 = 20,305,931.30/x
  3. Step 3: Cross multiply
    21,351,025.70x = 32,026,538.55 × 20,305,931.30
  4. Step 4: Simplify right side
    21,351,025.70x = 650,328,691,573,101.62
  5. Step 5: Solve for x
    x = 650,328,691,573,101.62/21,351,025.70
  6. Step 6: Final answer
    x = 30,458,896.95

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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.