Home / 6,472,659.20-9,715,209.60-3,281,388.80

Finding the Fourth Proportional to 6,472,659.20, 9,715,209.60 and 3,281,388.80

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Solution

The fourth proportional to 6,472,659.20, 9,715,209.60 and 3,281,388.80 is: 4,925,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,659.20 : 9,715,209.60 = 3,281,388.80 : x
  2. Step 2: Convert to fraction form
    6,472,659.20/9,715,209.60 = 3,281,388.80/x
  3. Step 3: Cross multiply
    6,472,659.20x = 9,715,209.60 × 3,281,388.80
  4. Step 4: Simplify right side
    6,472,659.20x = 31,879,379,971,092.48
  5. Step 5: Solve for x
    x = 31,879,379,971,092.48/6,472,659.20
  6. Step 6: Final answer
    x = 4,925,236.91

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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.