Home / 6,857,231.20-10,285,846.80-5,745,781.60

Finding the Fourth Proportional to 6,857,231.20, 10,285,846.80 and 5,745,781.60

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Solution

The fourth proportional to 6,857,231.20, 10,285,846.80 and 5,745,781.60 is: 8,618,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857,231.20 : 10,285,846.80 = 5,745,781.60 : x
  2. Step 2: Convert to fraction form
    6,857,231.20/10,285,846.80 = 5,745,781.60/x
  3. Step 3: Cross multiply
    6,857,231.20x = 10,285,846.80 × 5,745,781.60
  4. Step 4: Simplify right side
    6,857,231.20x = 59,100,229,283,858.88
  5. Step 5: Solve for x
    x = 59,100,229,283,858.88/6,857,231.20
  6. Step 6: Final answer
    x = 8,618,672.40

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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.