Home / 20,759,382.32-28,647,833.54-11,467,591.62

Finding the Fourth Proportional to 20,759,382.32, 28,647,833.54 and 11,467,591.62

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Solution

The fourth proportional to 20,759,382.32, 28,647,833.54 and 11,467,591.62 is: 15,825,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,382.32 : 28,647,833.54 = 11,467,591.62 : x
  2. Step 2: Convert to fraction form
    20,759,382.32/28,647,833.54 = 11,467,591.62/x
  3. Step 3: Cross multiply
    20,759,382.32x = 28,647,833.54 × 11,467,591.62
  4. Step 4: Simplify right side
    20,759,382.32x = 328,521,655,834,458.88
  5. Step 5: Solve for x
    x = 328,521,655,834,458.88/20,759,382.32
  6. Step 6: Final answer
    x = 15,825,213.43

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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.