Home / 12,127,498.20-18,193,871.70-3,608,695.80

Finding the Fourth Proportional to 12,127,498.20, 18,193,871.70 and 3,608,695.80

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Solution

The fourth proportional to 12,127,498.20, 18,193,871.70 and 3,608,695.80 is: 5,413,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,498.20 : 18,193,871.70 = 3,608,695.80 : x
  2. Step 2: Convert to fraction form
    12,127,498.20/18,193,871.70 = 3,608,695.80/x
  3. Step 3: Cross multiply
    12,127,498.20x = 18,193,871.70 × 3,608,695.80
  4. Step 4: Simplify right side
    12,127,498.20x = 65,656,148,389,528.85
  5. Step 5: Solve for x
    x = 65,656,148,389,528.85/12,127,498.20
  6. Step 6: Final answer
    x = 5,413,824.62

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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.