Home / 7,882,375.62-10,878,431.85-4,942,660.98

Finding the Fourth Proportional to 7,882,375.62, 10,878,431.85 and 4,942,660.98

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Solution

The fourth proportional to 7,882,375.62, 10,878,431.85 and 4,942,660.98 is: 6,821,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,375.62 : 10,878,431.85 = 4,942,660.98 : x
  2. Step 2: Convert to fraction form
    7,882,375.62/10,878,431.85 = 4,942,660.98/x
  3. Step 3: Cross multiply
    7,882,375.62x = 10,878,431.85 × 4,942,660.98
  4. Step 4: Simplify right side
    7,882,375.62x = 53,768,400,628,584.22
  5. Step 5: Solve for x
    x = 53,768,400,628,584.22/7,882,375.62
  6. Step 6: Final answer
    x = 6,821,344.63

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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.