Home / 6,145,653.78-8,481,000.84-3,392,340.54

Finding the Fourth Proportional to 6,145,653.78, 8,481,000.84 and 3,392,340.54

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Solution

The fourth proportional to 6,145,653.78, 8,481,000.84 and 3,392,340.54 is: 4,681,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,653.78 : 8,481,000.84 = 3,392,340.54 : x
  2. Step 2: Convert to fraction form
    6,145,653.78/8,481,000.84 = 3,392,340.54/x
  3. Step 3: Cross multiply
    6,145,653.78x = 8,481,000.84 × 3,392,340.54
  4. Step 4: Simplify right side
    6,145,653.78x = 28,770,442,969,306.05
  5. Step 5: Solve for x
    x = 28,770,442,969,306.05/6,145,653.78
  6. Step 6: Final answer
    x = 4,681,429.19

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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.