Home / 8,197,811.80-12,296,717.70-5,510,426.20

Finding the Fourth Proportional to 8,197,811.80, 12,296,717.70 and 5,510,426.20

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Solution

The fourth proportional to 8,197,811.80, 12,296,717.70 and 5,510,426.20 is: 8,265,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,811.80 : 12,296,717.70 = 5,510,426.20 : x
  2. Step 2: Convert to fraction form
    8,197,811.80/12,296,717.70 = 5,510,426.20/x
  3. Step 3: Cross multiply
    8,197,811.80x = 12,296,717.70 × 5,510,426.20
  4. Step 4: Simplify right side
    8,197,811.80x = 67,760,155,388,083.73
  5. Step 5: Solve for x
    x = 67,760,155,388,083.73/8,197,811.80
  6. Step 6: Final answer
    x = 8,265,639.30

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Double scale
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Similar ratio
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1.5x scale

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.