Home / 12,809,049.28-17,673,594.24-7,651,401.28

Finding the Fourth Proportional to 12,809,049.28, 17,673,594.24 and 7,651,401.28

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Solution

The fourth proportional to 12,809,049.28, 17,673,594.24 and 7,651,401.28 is: 10,557,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,049.28 : 17,673,594.24 = 7,651,401.28 : x
  2. Step 2: Convert to fraction form
    12,809,049.28/17,673,594.24 = 7,651,401.28/x
  3. Step 3: Cross multiply
    12,809,049.28x = 17,673,594.24 × 7,651,401.28
  4. Step 4: Simplify right side
    12,809,049.28x = 135,227,761,590,136.62
  5. Step 5: Solve for x
    x = 135,227,761,590,136.62/12,809,049.28
  6. Step 6: Final answer
    x = 10,557,205.19

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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.