Home / 8,701,665.80-13,052,498.70-7,413,960.20

Finding the Fourth Proportional to 8,701,665.80, 13,052,498.70 and 7,413,960.20

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Solution

The fourth proportional to 8,701,665.80, 13,052,498.70 and 7,413,960.20 is: 11,120,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,665.80 : 13,052,498.70 = 7,413,960.20 : x
  2. Step 2: Convert to fraction form
    8,701,665.80/13,052,498.70 = 7,413,960.20/x
  3. Step 3: Cross multiply
    8,701,665.80x = 13,052,498.70 × 7,413,960.20
  4. Step 4: Simplify right side
    8,701,665.80x = 96,770,705,872,351.73
  5. Step 5: Solve for x
    x = 96,770,705,872,351.73/8,701,665.80
  6. Step 6: Final answer
    x = 11,120,940.30

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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.