Home / 8,278,378.24-12,417,570.76-3,724,107.44

Finding the Fourth Proportional to 8,278,378.24, 12,417,570.76 and 3,724,107.44

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Solution

The fourth proportional to 8,278,378.24, 12,417,570.76 and 3,724,107.44 is: 5,586,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,378.24 : 12,417,570.76 = 3,724,107.44 : x
  2. Step 2: Convert to fraction form
    8,278,378.24/12,417,570.76 = 3,724,107.44/x
  3. Step 3: Cross multiply
    8,278,378.24x = 12,417,570.76 × 3,724,107.44
  4. Step 4: Simplify right side
    8,278,378.24x = 46,244,367,654,042.45
  5. Step 5: Solve for x
    x = 46,244,367,654,042.45/8,278,378.24
  6. Step 6: Final answer
    x = 5,586,162.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.