Home / 8,103,514.78-11,171,906.76-5,197,861.18

Finding the Fourth Proportional to 8,103,514.78, 11,171,906.76 and 5,197,861.18

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Solution

The fourth proportional to 8,103,514.78, 11,171,906.76 and 5,197,861.18 is: 7,166,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,514.78 : 11,171,906.76 = 5,197,861.18 : x
  2. Step 2: Convert to fraction form
    8,103,514.78/11,171,906.76 = 5,197,861.18/x
  3. Step 3: Cross multiply
    8,103,514.78x = 11,171,906.76 × 5,197,861.18
  4. Step 4: Simplify right side
    8,103,514.78x = 58,070,020,454,383.57
  5. Step 5: Solve for x
    x = 58,070,020,454,383.57/8,103,514.78
  6. Step 6: Final answer
    x = 7,166,028.82

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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.