Home / 7,856,939.64-11,785,662.90-2,177,218.68

Finding the Fourth Proportional to 7,856,939.64, 11,785,662.90 and 2,177,218.68

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Solution

The fourth proportional to 7,856,939.64, 11,785,662.90 and 2,177,218.68 is: 3,265,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,939.64 : 11,785,662.90 = 2,177,218.68 : x
  2. Step 2: Convert to fraction form
    7,856,939.64/11,785,662.90 = 2,177,218.68/x
  3. Step 3: Cross multiply
    7,856,939.64x = 11,785,662.90 × 2,177,218.68
  4. Step 4: Simplify right side
    7,856,939.64x = 25,659,965,422,062.98
  5. Step 5: Solve for x
    x = 25,659,965,422,062.98/7,856,939.64
  6. Step 6: Final answer
    x = 3,265,898.25

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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.