Home / 21,481,645.60-32,194,474.80-8,691,680.80

Finding the Fourth Proportional to 21,481,645.60, 32,194,474.80 and 8,691,680.80

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Solution

The fourth proportional to 21,481,645.60, 32,194,474.80 and 8,691,680.80 is: 13,026,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,645.60 : 32,194,474.80 = 8,691,680.80 : x
  2. Step 2: Convert to fraction form
    21,481,645.60/32,194,474.80 = 8,691,680.80/x
  3. Step 3: Cross multiply
    21,481,645.60x = 32,194,474.80 × 8,691,680.80
  4. Step 4: Simplify right side
    21,481,645.60x = 279,824,098,485,243.88
  5. Step 5: Solve for x
    x = 279,824,098,485,243.88/21,481,645.60
  6. Step 6: Final answer
    x = 13,026,194.72

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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.