Home / 8,176,372.65-12,251,272.95-6,821,198.10

Finding the Fourth Proportional to 8,176,372.65, 12,251,272.95 and 6,821,198.10

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Solution

The fourth proportional to 8,176,372.65, 12,251,272.95 and 6,821,198.10 is: 10,220,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,372.65 : 12,251,272.95 = 6,821,198.10 : x
  2. Step 2: Convert to fraction form
    8,176,372.65/12,251,272.95 = 6,821,198.10/x
  3. Step 3: Cross multiply
    8,176,372.65x = 12,251,272.95 × 6,821,198.10
  4. Step 4: Simplify right side
    8,176,372.65x = 83,568,359,769,121.39
  5. Step 5: Solve for x
    x = 83,568,359,769,121.39/8,176,372.65
  6. Step 6: Final answer
    x = 10,220,713.19

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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.