Home / 5,425,843.70-8,138,765.55-4,170,010.10

Finding the Fourth Proportional to 5,425,843.70, 8,138,765.55 and 4,170,010.10

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Solution

The fourth proportional to 5,425,843.70, 8,138,765.55 and 4,170,010.10 is: 6,255,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,843.70 : 8,138,765.55 = 4,170,010.10 : x
  2. Step 2: Convert to fraction form
    5,425,843.70/8,138,765.55 = 4,170,010.10/x
  3. Step 3: Cross multiply
    5,425,843.70x = 8,138,765.55 × 4,170,010.10
  4. Step 4: Simplify right side
    5,425,843.70x = 33,938,734,545,032.05
  5. Step 5: Solve for x
    x = 33,938,734,545,032.05/5,425,843.70
  6. Step 6: Final answer
    x = 6,255,015.15

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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.