Home / 13,757,989.46-20,639,919.15-4,659,768.02

Finding the Fourth Proportional to 13,757,989.46, 20,639,919.15 and 4,659,768.02

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Solution

The fourth proportional to 13,757,989.46, 20,639,919.15 and 4,659,768.02 is: 6,990,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757,989.46 : 20,639,919.15 = 4,659,768.02 : x
  2. Step 2: Convert to fraction form
    13,757,989.46/20,639,919.15 = 4,659,768.02/x
  3. Step 3: Cross multiply
    13,757,989.46x = 20,639,919.15 × 4,659,768.02
  4. Step 4: Simplify right side
    13,757,989.46x = 96,177,235,190,555.56
  5. Step 5: Solve for x
    x = 96,177,235,190,555.56/13,757,989.46
  6. Step 6: Final answer
    x = 6,990,646.09

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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.