Home / 8,198,719.20-12,298,078.80-6,604,396.20

Finding the Fourth Proportional to 8,198,719.20, 12,298,078.80 and 6,604,396.20

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Solution

The fourth proportional to 8,198,719.20, 12,298,078.80 and 6,604,396.20 is: 9,906,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,719.20 : 12,298,078.80 = 6,604,396.20 : x
  2. Step 2: Convert to fraction form
    8,198,719.20/12,298,078.80 = 6,604,396.20/x
  3. Step 3: Cross multiply
    8,198,719.20x = 12,298,078.80 × 6,604,396.20
  4. Step 4: Simplify right side
    8,198,719.20x = 81,221,384,894,020.56
  5. Step 5: Solve for x
    x = 81,221,384,894,020.56/8,198,719.20
  6. Step 6: Final answer
    x = 9,906,594.30

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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.