Home / 5,328,132.30-7,992,198.45-3,910,956.30

Finding the Fourth Proportional to 5,328,132.30, 7,992,198.45 and 3,910,956.30

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Solution

The fourth proportional to 5,328,132.30, 7,992,198.45 and 3,910,956.30 is: 5,866,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,132.30 : 7,992,198.45 = 3,910,956.30 : x
  2. Step 2: Convert to fraction form
    5,328,132.30/7,992,198.45 = 3,910,956.30/x
  3. Step 3: Cross multiply
    5,328,132.30x = 7,992,198.45 × 3,910,956.30
  4. Step 4: Simplify right side
    5,328,132.30x = 31,257,138,878,877.73
  5. Step 5: Solve for x
    x = 31,257,138,878,877.73/5,328,132.30
  6. Step 6: Final answer
    x = 5,866,434.45

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Double scale
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Similar ratio
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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.