Home / 12,645,401.13-17,451,076.13-7,749,677.25

Finding the Fourth Proportional to 12,645,401.13, 17,451,076.13 and 7,749,677.25

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Solution

The fourth proportional to 12,645,401.13, 17,451,076.13 and 7,749,677.25 is: 10,694,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,401.13 : 17,451,076.13 = 7,749,677.25 : x
  2. Step 2: Convert to fraction form
    12,645,401.13/17,451,076.13 = 7,749,677.25/x
  3. Step 3: Cross multiply
    12,645,401.13x = 17,451,076.13 × 7,749,677.25
  4. Step 4: Simplify right side
    12,645,401.13x = 135,240,207,672,679.03
  5. Step 5: Solve for x
    x = 135,240,207,672,679.03/12,645,401.13
  6. Step 6: Final answer
    x = 10,694,813.58

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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.