Home / 12,398,494.96-17,109,167.20-6,966,336.88

Finding the Fourth Proportional to 12,398,494.96, 17,109,167.20 and 6,966,336.88

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Solution

The fourth proportional to 12,398,494.96, 17,109,167.20 and 6,966,336.88 is: 9,613,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,494.96 : 17,109,167.20 = 6,966,336.88 : x
  2. Step 2: Convert to fraction form
    12,398,494.96/17,109,167.20 = 6,966,336.88/x
  3. Step 3: Cross multiply
    12,398,494.96x = 17,109,167.20 × 6,966,336.88
  4. Step 4: Simplify right side
    12,398,494.96x = 119,188,222,451,446.33
  5. Step 5: Solve for x
    x = 119,188,222,451,446.33/12,398,494.96
  6. Step 6: Final answer
    x = 9,613,120.21

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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.