Home / 21,888,098.30-32,832,147.45-12,818,171.90

Finding the Fourth Proportional to 21,888,098.30, 32,832,147.45 and 12,818,171.90

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Solution

The fourth proportional to 21,888,098.30, 32,832,147.45 and 12,818,171.90 is: 19,227,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,098.30 : 32,832,147.45 = 12,818,171.90 : x
  2. Step 2: Convert to fraction form
    21,888,098.30/32,832,147.45 = 12,818,171.90/x
  3. Step 3: Cross multiply
    21,888,098.30x = 32,832,147.45 × 12,818,171.90
  4. Step 4: Simplify right side
    21,888,098.30x = 420,848,109,860,246.69
  5. Step 5: Solve for x
    x = 420,848,109,860,246.69/21,888,098.30
  6. Step 6: Final answer
    x = 19,227,257.85

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1.5x scale

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.