Home / 6,875,960.12-9,489,120.22-3,820,174.38

Finding the Fourth Proportional to 6,875,960.12, 9,489,120.22 and 3,820,174.38

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Solution

The fourth proportional to 6,875,960.12, 9,489,120.22 and 3,820,174.38 is: 5,272,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875,960.12 : 9,489,120.22 = 3,820,174.38 : x
  2. Step 2: Convert to fraction form
    6,875,960.12/9,489,120.22 = 3,820,174.38/x
  3. Step 3: Cross multiply
    6,875,960.12x = 9,489,120.22 × 3,820,174.38
  4. Step 4: Simplify right side
    6,875,960.12x = 36,250,093,953,183.97
  5. Step 5: Solve for x
    x = 36,250,093,953,183.97/6,875,960.12
  6. Step 6: Final answer
    x = 5,272,004.68

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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.