Home / 8,049,808.60-12,043,220.10-5,215,456.60

Finding the Fourth Proportional to 8,049,808.60, 12,043,220.10 and 5,215,456.60

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Solution

The fourth proportional to 8,049,808.60, 12,043,220.10 and 5,215,456.60 is: 7,802,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049,808.60 : 12,043,220.10 = 5,215,456.60 : x
  2. Step 2: Convert to fraction form
    8,049,808.60/12,043,220.10 = 5,215,456.60/x
  3. Step 3: Cross multiply
    8,049,808.60x = 12,043,220.10 × 5,215,456.60
  4. Step 4: Simplify right side
    8,049,808.60x = 62,810,891,755,797.66
  5. Step 5: Solve for x
    x = 62,810,891,755,797.66/8,049,808.60
  6. Step 6: Final answer
    x = 7,802,780.77

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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.