Home / 15,068,659.80-20,794,177.20-8,193,147.60

Finding the Fourth Proportional to 15,068,659.80, 20,794,177.20 and 8,193,147.60

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Solution

The fourth proportional to 15,068,659.80, 20,794,177.20 and 8,193,147.60 is: 11,306,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068,659.80 : 20,794,177.20 = 8,193,147.60 : x
  2. Step 2: Convert to fraction form
    15,068,659.80/20,794,177.20 = 8,193,147.60/x
  3. Step 3: Cross multiply
    15,068,659.80x = 20,794,177.20 × 8,193,147.60
  4. Step 4: Simplify right side
    15,068,659.80x = 170,369,763,020,154.72
  5. Step 5: Solve for x
    x = 170,369,763,020,154.72/15,068,659.80
  6. Step 6: Final answer
    x = 11,306,231.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.