Home / 8,796,862.70-13,195,294.05-5,200,778.60

Finding the Fourth Proportional to 8,796,862.70, 13,195,294.05 and 5,200,778.60

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Solution

The fourth proportional to 8,796,862.70, 13,195,294.05 and 5,200,778.60 is: 7,801,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,862.70 : 13,195,294.05 = 5,200,778.60 : x
  2. Step 2: Convert to fraction form
    8,796,862.70/13,195,294.05 = 5,200,778.60/x
  3. Step 3: Cross multiply
    8,796,862.70x = 13,195,294.05 × 5,200,778.60
  4. Step 4: Simplify right side
    8,796,862.70x = 68,625,802,915,947.33
  5. Step 5: Solve for x
    x = 68,625,802,915,947.33/8,796,862.70
  6. Step 6: Final answer
    x = 7,801,167.90

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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.