Home / 13,465,318.32-20,200,611.60-4,945,718.88

Finding the Fourth Proportional to 13,465,318.32, 20,200,611.60 and 4,945,718.88

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Solution

The fourth proportional to 13,465,318.32, 20,200,611.60 and 4,945,718.88 is: 7,419,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,318.32 : 20,200,611.60 = 4,945,718.88 : x
  2. Step 2: Convert to fraction form
    13,465,318.32/20,200,611.60 = 4,945,718.88/x
  3. Step 3: Cross multiply
    13,465,318.32x = 20,200,611.60 × 4,945,718.88
  4. Step 4: Simplify right side
    13,465,318.32x = 99,906,546,177,667.02
  5. Step 5: Solve for x
    x = 99,906,546,177,667.02/13,465,318.32
  6. Step 6: Final answer
    x = 7,419,545.81

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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.