Home / 12,694,880.96-17,521,725.69-8,344,372.31

Finding the Fourth Proportional to 12,694,880.96, 17,521,725.69 and 8,344,372.31

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Solution

The fourth proportional to 12,694,880.96, 17,521,725.69 and 8,344,372.31 is: 11,517,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694,880.96 : 17,521,725.69 = 8,344,372.31 : x
  2. Step 2: Convert to fraction form
    12,694,880.96/17,521,725.69 = 8,344,372.31/x
  3. Step 3: Cross multiply
    12,694,880.96x = 17,521,725.69 × 8,344,372.31
  4. Step 4: Simplify right side
    12,694,880.96x = 146,207,802,583,443.03
  5. Step 5: Solve for x
    x = 146,207,802,583,443.03/12,694,880.96
  6. Step 6: Final answer
    x = 11,517,067.64

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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.