Home / 8,857,717.78-13,286,576.84-2,126,131.78

Finding the Fourth Proportional to 8,857,717.78, 13,286,576.84 and 2,126,131.78

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Solution

The fourth proportional to 8,857,717.78, 13,286,576.84 and 2,126,131.78 is: 3,189,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,717.78 : 13,286,576.84 = 2,126,131.78 : x
  2. Step 2: Convert to fraction form
    8,857,717.78/13,286,576.84 = 2,126,131.78/x
  3. Step 3: Cross multiply
    8,857,717.78x = 13,286,576.84 × 2,126,131.78
  4. Step 4: Simplify right side
    8,857,717.78x = 28,249,013,266,935.97
  5. Step 5: Solve for x
    x = 28,249,013,266,935.97/8,857,717.78
  6. Step 6: Final answer
    x = 3,189,197.71

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Similar ratio
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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.