Home / 7,856,938.64-11,785,661.40-2,177,217.68

Finding the Fourth Proportional to 7,856,938.64, 11,785,661.40 and 2,177,217.68

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Solution

The fourth proportional to 7,856,938.64, 11,785,661.40 and 2,177,217.68 is: 3,265,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,938.64 : 11,785,661.40 = 2,177,217.68 : x
  2. Step 2: Convert to fraction form
    7,856,938.64/11,785,661.40 = 2,177,217.68/x
  3. Step 3: Cross multiply
    7,856,938.64x = 11,785,661.40 × 2,177,217.68
  4. Step 4: Simplify right side
    7,856,938.64x = 25,659,950,370,573.55
  5. Step 5: Solve for x
    x = 25,659,950,370,573.55/7,856,938.64
  6. Step 6: Final answer
    x = 3,265,896.75

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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.