Home / 13,418,548.32-18,517,110.64-8,200,286.69

Finding the Fourth Proportional to 13,418,548.32, 18,517,110.64 and 8,200,286.69

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Solution

The fourth proportional to 13,418,548.32, 18,517,110.64 and 8,200,286.69 is: 11,316,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,548.32 : 18,517,110.64 = 8,200,286.69 : x
  2. Step 2: Convert to fraction form
    13,418,548.32/18,517,110.64 = 8,200,286.69/x
  3. Step 3: Cross multiply
    13,418,548.32x = 18,517,110.64 × 8,200,286.69
  4. Step 4: Simplify right side
    13,418,548.32x = 151,845,616,022,230.66
  5. Step 5: Solve for x
    x = 151,845,616,022,230.66/13,418,548.32
  6. Step 6: Final answer
    x = 11,316,098.62

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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.