Home / 8,107,690.12-11,174,976.45-6,146,918.86

Finding the Fourth Proportional to 8,107,690.12, 11,174,976.45 and 6,146,918.86

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Solution

The fourth proportional to 8,107,690.12, 11,174,976.45 and 6,146,918.86 is: 8,472,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107,690.12 : 11,174,976.45 = 6,146,918.86 : x
  2. Step 2: Convert to fraction form
    8,107,690.12/11,174,976.45 = 6,146,918.86/x
  3. Step 3: Cross multiply
    8,107,690.12x = 11,174,976.45 × 6,146,918.86
  4. Step 4: Simplify right side
    8,107,690.12x = 68,691,673,500,560.84
  5. Step 5: Solve for x
    x = 68,691,673,500,560.84/8,107,690.12
  6. Step 6: Final answer
    x = 8,472,409.83

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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.