Home / 7,247,913.42-10,002,187.78-3,984,751.10

Finding the Fourth Proportional to 7,247,913.42, 10,002,187.78 and 3,984,751.10

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Solution

The fourth proportional to 7,247,913.42, 10,002,187.78 and 3,984,751.10 is: 5,498,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,913.42 : 10,002,187.78 = 3,984,751.10 : x
  2. Step 2: Convert to fraction form
    7,247,913.42/10,002,187.78 = 3,984,751.10/x
  3. Step 3: Cross multiply
    7,247,913.42x = 10,002,187.78 × 3,984,751.10
  4. Step 4: Simplify right side
    7,247,913.42x = 39,856,228,758,761.55
  5. Step 5: Solve for x
    x = 39,856,228,758,761.55/7,247,913.42
  6. Step 6: Final answer
    x = 5,498,993.50

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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.