Home / 8,143,318.89-11,242,142.94-6,278,661.83

Finding the Fourth Proportional to 8,143,318.89, 11,242,142.94 and 6,278,661.83

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Solution

The fourth proportional to 8,143,318.89, 11,242,142.94 and 6,278,661.83 is: 8,667,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,318.89 : 11,242,142.94 = 6,278,661.83 : x
  2. Step 2: Convert to fraction form
    8,143,318.89/11,242,142.94 = 6,278,661.83/x
  3. Step 3: Cross multiply
    8,143,318.89x = 11,242,142.94 × 6,278,661.83
  4. Step 4: Simplify right side
    8,143,318.89x = 70,585,613,708,571.27
  5. Step 5: Solve for x
    x = 70,585,613,708,571.27/8,143,318.89
  6. Step 6: Final answer
    x = 8,667,917.18

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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.