Home / 6,392,168.73-8,818,383.98-3,911,507.55

Finding the Fourth Proportional to 6,392,168.73, 8,818,383.98 and 3,911,507.55

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Solution

The fourth proportional to 6,392,168.73, 8,818,383.98 and 3,911,507.55 is: 5,396,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,168.73 : 8,818,383.98 = 3,911,507.55 : x
  2. Step 2: Convert to fraction form
    6,392,168.73/8,818,383.98 = 3,911,507.55/x
  3. Step 3: Cross multiply
    6,392,168.73x = 8,818,383.98 × 3,911,507.55
  4. Step 4: Simplify right side
    6,392,168.73x = 34,493,175,516,569.05
  5. Step 5: Solve for x
    x = 34,493,175,516,569.05/6,392,168.73
  6. Step 6: Final answer
    x = 5,396,161.61

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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.