Home / 9,691,791.40-14,521,940.70-8,085,658.60

Finding the Fourth Proportional to 9,691,791.40, 14,521,940.70 and 8,085,658.60

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Solution

The fourth proportional to 9,691,791.40, 14,521,940.70 and 8,085,658.60 is: 12,115,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,791.40 : 14,521,940.70 = 8,085,658.60 : x
  2. Step 2: Convert to fraction form
    9,691,791.40/14,521,940.70 = 8,085,658.60/x
  3. Step 3: Cross multiply
    9,691,791.40x = 14,521,940.70 × 8,085,658.60
  4. Step 4: Simplify right side
    9,691,791.40x = 117,419,454,709,645.02
  5. Step 5: Solve for x
    x = 117,419,454,709,645.02/9,691,791.40
  6. Step 6: Final answer
    x = 12,115,351.01

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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.