Home / 20,536,976,228.15-28,341,005,700.37-11,504,797,912.90

Finding the Fourth Proportional to 20,536,976,228.15, 28,341,005,700.37 and 11,504,797,912.90

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Solution

The fourth proportional to 20,536,976,228.15, 28,341,005,700.37 and 11,504,797,912.90 is: 15,876,609,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,976,228.15 : 28,341,005,700.37 = 11,504,797,912.90 : x
  2. Step 2: Convert to fraction form
    20,536,976,228.15/28,341,005,700.37 = 11,504,797,912.90/x
  3. Step 3: Cross multiply
    20,536,976,228.15x = 28,341,005,700.37 × 11,504,797,912.90
  4. Step 4: Simplify right side
    20,536,976,228.15x = 326,057,543,231,200,296,960
  5. Step 5: Solve for x
    x = 326,057,543,231,200,296,960/20,536,976,228.15
  6. Step 6: Final answer
    x = 15,876,609,078.62

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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.