Home / 7,637,961.67-10,568,143.13-6,659,938.71

Finding the Fourth Proportional to 7,637,961.67, 10,568,143.13 and 6,659,938.71

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Solution

The fourth proportional to 7,637,961.67, 10,568,143.13 and 6,659,938.71 is: 9,214,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637,961.67 : 10,568,143.13 = 6,659,938.71 : x
  2. Step 2: Convert to fraction form
    7,637,961.67/10,568,143.13 = 6,659,938.71/x
  3. Step 3: Cross multiply
    7,637,961.67x = 10,568,143.13 × 6,659,938.71
  4. Step 4: Simplify right side
    7,637,961.67x = 70,383,185,491,007.88
  5. Step 5: Solve for x
    x = 70,383,185,491,007.88/7,637,961.67
  6. Step 6: Final answer
    x = 9,214,917.35

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Double scale
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1.5x scale

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.