Home / 20,571,474.71-30,858,891.25-10,331,067.94

Finding the Fourth Proportional to 20,571,474.71, 30,858,891.25 and 10,331,067.94

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Solution

The fourth proportional to 20,571,474.71, 30,858,891.25 and 10,331,067.94 is: 15,497,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,474.71 : 30,858,891.25 = 10,331,067.94 : x
  2. Step 2: Convert to fraction form
    20,571,474.71/30,858,891.25 = 10,331,067.94/x
  3. Step 3: Cross multiply
    20,571,474.71x = 30,858,891.25 × 10,331,067.94
  4. Step 4: Simplify right side
    20,571,474.71x = 318,805,302,056,821.50
  5. Step 5: Solve for x
    x = 318,805,302,056,821.50/20,571,474.71
  6. Step 6: Final answer
    x = 15,497,445.20

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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.