Home / 6,520,852.60-9,781,278.90-5,465,843.80

Finding the Fourth Proportional to 6,520,852.60, 9,781,278.90 and 5,465,843.80

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Solution

The fourth proportional to 6,520,852.60, 9,781,278.90 and 5,465,843.80 is: 8,198,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,852.60 : 9,781,278.90 = 5,465,843.80 : x
  2. Step 2: Convert to fraction form
    6,520,852.60/9,781,278.90 = 5,465,843.80/x
  3. Step 3: Cross multiply
    6,520,852.60x = 9,781,278.90 × 5,465,843.80
  4. Step 4: Simplify right side
    6,520,852.60x = 53,462,942,631,635.82
  5. Step 5: Solve for x
    x = 53,462,942,631,635.82/6,520,852.60
  6. Step 6: Final answer
    x = 8,198,765.70

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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.