Home / 21,857,867.52-32,788,375.88-8,394,695.52

Finding the Fourth Proportional to 21,857,867.52, 32,788,375.88 and 8,394,695.52

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Solution

The fourth proportional to 21,857,867.52, 32,788,375.88 and 8,394,695.52 is: 12,592,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,867.52 : 32,788,375.88 = 8,394,695.52 : x
  2. Step 2: Convert to fraction form
    21,857,867.52/32,788,375.88 = 8,394,695.52/x
  3. Step 3: Cross multiply
    21,857,867.52x = 32,788,375.88 × 8,394,695.52
  4. Step 4: Simplify right side
    21,857,867.52x = 275,248,432,107,912.03
  5. Step 5: Solve for x
    x = 275,248,432,107,912.03/21,857,867.52
  6. Step 6: Final answer
    x = 12,592,648.02

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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.