Home / 13,498,406.71-20,250,584.40-3,914,185.39

Finding the Fourth Proportional to 13,498,406.71, 20,250,584.40 and 3,914,185.39

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Solution

The fourth proportional to 13,498,406.71, 20,250,584.40 and 3,914,185.39 is: 5,872,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,406.71 : 20,250,584.40 = 3,914,185.39 : x
  2. Step 2: Convert to fraction form
    13,498,406.71/20,250,584.40 = 3,914,185.39/x
  3. Step 3: Cross multiply
    13,498,406.71x = 20,250,584.40 × 3,914,185.39
  4. Step 4: Simplify right side
    13,498,406.71x = 79,264,541,597,441.91
  5. Step 5: Solve for x
    x = 79,264,541,597,441.91/13,498,406.71
  6. Step 6: Final answer
    x = 5,872,140.56

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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.