Home / 7,842,610.20-11,763,915.30-3,298,789.65

Finding the Fourth Proportional to 7,842,610.20, 11,763,915.30 and 3,298,789.65

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Solution

The fourth proportional to 7,842,610.20, 11,763,915.30 and 3,298,789.65 is: 4,948,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,610.20 : 11,763,915.30 = 3,298,789.65 : x
  2. Step 2: Convert to fraction form
    7,842,610.20/11,763,915.30 = 3,298,789.65/x
  3. Step 3: Cross multiply
    7,842,610.20x = 11,763,915.30 × 3,298,789.65
  4. Step 4: Simplify right side
    7,842,610.20x = 38,806,682,035,116.65
  5. Step 5: Solve for x
    x = 38,806,682,035,116.65/7,842,610.20
  6. Step 6: Final answer
    x = 4,948,184.48

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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.