Home / 7,119,944.92-9,825,571.16-3,856,759.61

Finding the Fourth Proportional to 7,119,944.92, 9,825,571.16 and 3,856,759.61

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Solution

The fourth proportional to 7,119,944.92, 9,825,571.16 and 3,856,759.61 is: 5,322,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,944.92 : 9,825,571.16 = 3,856,759.61 : x
  2. Step 2: Convert to fraction form
    7,119,944.92/9,825,571.16 = 3,856,759.61/x
  3. Step 3: Cross multiply
    7,119,944.92x = 9,825,571.16 × 3,856,759.61
  4. Step 4: Simplify right side
    7,119,944.92x = 37,894,866,029,274.67
  5. Step 5: Solve for x
    x = 37,894,866,029,274.67/7,119,944.92
  6. Step 6: Final answer
    x = 5,322,353.82

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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.