Home / 8,127,619.13-12,167,513.82-5,425,241.65

Finding the Fourth Proportional to 8,127,619.13, 12,167,513.82 and 5,425,241.65

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Solution

The fourth proportional to 8,127,619.13, 12,167,513.82 and 5,425,241.65 is: 8,121,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,619.13 : 12,167,513.82 = 5,425,241.65 : x
  2. Step 2: Convert to fraction form
    8,127,619.13/12,167,513.82 = 5,425,241.65/x
  3. Step 3: Cross multiply
    8,127,619.13x = 12,167,513.82 × 5,425,241.65
  4. Step 4: Simplify right side
    8,127,619.13x = 66,011,702,753,214.61
  5. Step 5: Solve for x
    x = 66,011,702,753,214.61/8,127,619.13
  6. Step 6: Final answer
    x = 8,121,899.13

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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.