Home / 13,910,414.40-20,865,621.60-3,813,019.20

Finding the Fourth Proportional to 13,910,414.40, 20,865,621.60 and 3,813,019.20

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Solution

The fourth proportional to 13,910,414.40, 20,865,621.60 and 3,813,019.20 is: 5,719,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,414.40 : 20,865,621.60 = 3,813,019.20 : x
  2. Step 2: Convert to fraction form
    13,910,414.40/20,865,621.60 = 3,813,019.20/x
  3. Step 3: Cross multiply
    13,910,414.40x = 20,865,621.60 × 3,813,019.20
  4. Step 4: Simplify right side
    13,910,414.40x = 79,561,015,780,734.73
  5. Step 5: Solve for x
    x = 79,561,015,780,734.73/13,910,414.40
  6. Step 6: Final answer
    x = 5,719,528.80

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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.