Home / 13,815,185.28-20,729,765.38-9,207,315.70

Finding the Fourth Proportional to 13,815,185.28, 20,729,765.38 and 9,207,315.70

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Solution

The fourth proportional to 13,815,185.28, 20,729,765.38 and 9,207,315.70 is: 13,815,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,185.28 : 20,729,765.38 = 9,207,315.70 : x
  2. Step 2: Convert to fraction form
    13,815,185.28/20,729,765.38 = 9,207,315.70/x
  3. Step 3: Cross multiply
    13,815,185.28x = 20,729,765.38 × 9,207,315.70
  4. Step 4: Simplify right side
    13,815,185.28x = 190,865,494,240,590.44
  5. Step 5: Solve for x
    x = 190,865,494,240,590.44/13,815,185.28
  6. Step 6: Final answer
    x = 13,815,630.44

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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.