Home / 6,648,234.60-9,972,351.90-5,514,493.80

Finding the Fourth Proportional to 6,648,234.60, 9,972,351.90 and 5,514,493.80

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Solution

The fourth proportional to 6,648,234.60, 9,972,351.90 and 5,514,493.80 is: 8,271,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,234.60 : 9,972,351.90 = 5,514,493.80 : x
  2. Step 2: Convert to fraction form
    6,648,234.60/9,972,351.90 = 5,514,493.80/x
  3. Step 3: Cross multiply
    6,648,234.60x = 9,972,351.90 × 5,514,493.80
  4. Step 4: Simplify right side
    6,648,234.60x = 54,992,472,723,968.22
  5. Step 5: Solve for x
    x = 54,992,472,723,968.22/6,648,234.60
  6. Step 6: Final answer
    x = 8,271,740.70

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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.