Home / 20,759,397.36-28,647,854.20-11,467,606.70

Finding the Fourth Proportional to 20,759,397.36, 28,647,854.20 and 11,467,606.70

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Solution

The fourth proportional to 20,759,397.36, 28,647,854.20 and 11,467,606.70 is: 15,825,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,397.36 : 28,647,854.20 = 11,467,606.70 : x
  2. Step 2: Convert to fraction form
    20,759,397.36/28,647,854.20 = 11,467,606.70/x
  3. Step 3: Cross multiply
    20,759,397.36x = 28,647,854.20 × 11,467,606.70
  4. Step 4: Simplify right side
    20,759,397.36x = 328,522,324,764,543.12
  5. Step 5: Solve for x
    x = 328,522,324,764,543.12/20,759,397.36
  6. Step 6: Final answer
    x = 15,825,234.19

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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.