Home / 21,491,940.20-32,237,910.30-7,117,226.60

Finding the Fourth Proportional to 21,491,940.20, 32,237,910.30 and 7,117,226.60

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Solution

The fourth proportional to 21,491,940.20, 32,237,910.30 and 7,117,226.60 is: 10,675,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,940.20 : 32,237,910.30 = 7,117,226.60 : x
  2. Step 2: Convert to fraction form
    21,491,940.20/32,237,910.30 = 7,117,226.60/x
  3. Step 3: Cross multiply
    21,491,940.20x = 32,237,910.30 × 7,117,226.60
  4. Step 4: Simplify right side
    21,491,940.20x = 229,444,512,715,573.97
  5. Step 5: Solve for x
    x = 229,444,512,715,573.97/21,491,940.20
  6. Step 6: Final answer
    x = 10,675,839.90

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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.