Home / 7,245,422.80-9,998,704.44-3,982,571.88

Finding the Fourth Proportional to 7,245,422.80, 9,998,704.44 and 3,982,571.88

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Solution

The fourth proportional to 7,245,422.80, 9,998,704.44 and 3,982,571.88 is: 5,495,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,422.80 : 9,998,704.44 = 3,982,571.88 : x
  2. Step 2: Convert to fraction form
    7,245,422.80/9,998,704.44 = 3,982,571.88/x
  3. Step 3: Cross multiply
    7,245,422.80x = 9,998,704.44 × 3,982,571.88
  4. Step 4: Simplify right side
    7,245,422.80x = 39,820,559,139,175.14
  5. Step 5: Solve for x
    x = 39,820,559,139,175.14/7,245,422.80
  6. Step 6: Final answer
    x = 5,495,960.72

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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.