Home / 13,976,690.40-20,967,150.78-4,391,166.60

Finding the Fourth Proportional to 13,976,690.40, 20,967,150.78 and 4,391,166.60

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Solution

The fourth proportional to 13,976,690.40, 20,967,150.78 and 4,391,166.60 is: 6,587,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976,690.40 : 20,967,150.78 = 4,391,166.60 : x
  2. Step 2: Convert to fraction form
    13,976,690.40/20,967,150.78 = 4,391,166.60/x
  3. Step 3: Cross multiply
    13,976,690.40x = 20,967,150.78 × 4,391,166.60
  4. Step 4: Simplify right side
    13,976,690.40x = 92,070,252,202,299.95
  5. Step 5: Solve for x
    x = 92,070,252,202,299.95/13,976,690.40
  6. Step 6: Final answer
    x = 6,587,414.44

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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.