Home / 8,129,279.20-12,192,731.82-2,370,465.33

Finding the Fourth Proportional to 8,129,279.20, 12,192,731.82 and 2,370,465.33

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Solution

The fourth proportional to 8,129,279.20, 12,192,731.82 and 2,370,465.33 is: 3,555,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,279.20 : 12,192,731.82 = 2,370,465.33 : x
  2. Step 2: Convert to fraction form
    8,129,279.20/12,192,731.82 = 2,370,465.33/x
  3. Step 3: Cross multiply
    8,129,279.20x = 12,192,731.82 × 2,370,465.33
  4. Step 4: Simplify right side
    8,129,279.20x = 28,902,448,057,297.80
  5. Step 5: Solve for x
    x = 28,902,448,057,297.80/8,129,279.20
  6. Step 6: Final answer
    x = 3,555,351.88

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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.