Home / 7,204,393.74-9,942,141.78-3,941,138.37

Finding the Fourth Proportional to 7,204,393.74, 9,942,141.78 and 3,941,138.37

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Solution

The fourth proportional to 7,204,393.74, 9,942,141.78 and 3,941,138.37 is: 5,438,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,393.74 : 9,942,141.78 = 3,941,138.37 : x
  2. Step 2: Convert to fraction form
    7,204,393.74/9,942,141.78 = 3,941,138.37/x
  3. Step 3: Cross multiply
    7,204,393.74x = 9,942,141.78 × 3,941,138.37
  4. Step 4: Simplify right side
    7,204,393.74x = 39,183,356,449,138.09
  5. Step 5: Solve for x
    x = 39,183,356,449,138.09/7,204,393.74
  6. Step 6: Final answer
    x = 5,438,813.85

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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.