Home / 11,198,307.30-16,815,175.65-8,505,672.90

Finding the Fourth Proportional to 11,198,307.30, 16,815,175.65 and 8,505,672.90

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Solution

The fourth proportional to 11,198,307.30, 16,815,175.65 and 8,505,672.90 is: 12,771,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198,307.30 : 16,815,175.65 = 8,505,672.90 : x
  2. Step 2: Convert to fraction form
    11,198,307.30/16,815,175.65 = 8,505,672.90/x
  3. Step 3: Cross multiply
    11,198,307.30x = 16,815,175.65 × 8,505,672.90
  4. Step 4: Simplify right side
    11,198,307.30x = 143,024,383,834,944.88
  5. Step 5: Solve for x
    x = 143,024,383,834,944.88/11,198,307.30
  6. Step 6: Final answer
    x = 12,771,964.55

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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.