Home / 13,296,542.54-19,903,906.79-8,675,578.73

Finding the Fourth Proportional to 13,296,542.54, 19,903,906.79 and 8,675,578.73

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Solution

The fourth proportional to 13,296,542.54, 19,903,906.79 and 8,675,578.73 is: 12,986,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,542.54 : 19,903,906.79 = 8,675,578.73 : x
  2. Step 2: Convert to fraction form
    13,296,542.54/19,903,906.79 = 8,675,578.73/x
  3. Step 3: Cross multiply
    13,296,542.54x = 19,903,906.79 × 8,675,578.73
  4. Step 4: Simplify right side
    13,296,542.54x = 172,677,910,412,915.53
  5. Step 5: Solve for x
    x = 172,677,910,412,915.53/13,296,542.54
  6. Step 6: Final answer
    x = 12,986,677.55

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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.