Home / 21,491,948.20-32,237,922.30-7,117,234.60

Finding the Fourth Proportional to 21,491,948.20, 32,237,922.30 and 7,117,234.60

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Solution

The fourth proportional to 21,491,948.20, 32,237,922.30 and 7,117,234.60 is: 10,675,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,948.20 : 32,237,922.30 = 7,117,234.60 : x
  2. Step 2: Convert to fraction form
    21,491,948.20/32,237,922.30 = 7,117,234.60/x
  3. Step 3: Cross multiply
    21,491,948.20x = 32,237,922.30 × 7,117,234.60
  4. Step 4: Simplify right side
    21,491,948.20x = 229,444,856,025,671.56
  5. Step 5: Solve for x
    x = 229,444,856,025,671.56/21,491,948.20
  6. Step 6: Final answer
    x = 10,675,851.90

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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.