Home / 8,220,888.20-12,331,332.30-2,541,686.60

Finding the Fourth Proportional to 8,220,888.20, 12,331,332.30 and 2,541,686.60

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Solution

The fourth proportional to 8,220,888.20, 12,331,332.30 and 2,541,686.60 is: 3,812,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,888.20 : 12,331,332.30 = 2,541,686.60 : x
  2. Step 2: Convert to fraction form
    8,220,888.20/12,331,332.30 = 2,541,686.60/x
  3. Step 3: Cross multiply
    8,220,888.20x = 12,331,332.30 × 2,541,686.60
  4. Step 4: Simplify right side
    8,220,888.20x = 31,342,382,067,057.18
  5. Step 5: Solve for x
    x = 31,342,382,067,057.18/8,220,888.20
  6. Step 6: Final answer
    x = 3,812,529.90

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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.