Home / 8,127,618.13-12,167,512.33-5,425,240.65

Finding the Fourth Proportional to 8,127,618.13, 12,167,512.33 and 5,425,240.65

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Solution

The fourth proportional to 8,127,618.13, 12,167,512.33 and 5,425,240.65 is: 8,121,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,618.13 : 12,167,512.33 = 5,425,240.65 : x
  2. Step 2: Convert to fraction form
    8,127,618.13/12,167,512.33 = 5,425,240.65/x
  3. Step 3: Cross multiply
    8,127,618.13x = 12,167,512.33 × 5,425,240.65
  4. Step 4: Simplify right side
    8,127,618.13x = 66,011,682,463,483.65
  5. Step 5: Solve for x
    x = 66,011,682,463,483.65/8,127,618.13
  6. Step 6: Final answer
    x = 8,121,897.63

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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.