Home / 8,561,801.82-12,843,401.61-4,299,778.14

Finding the Fourth Proportional to 8,561,801.82, 12,843,401.61 and 4,299,778.14

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Solution

The fourth proportional to 8,561,801.82, 12,843,401.61 and 4,299,778.14 is: 6,450,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,801.82 : 12,843,401.61 = 4,299,778.14 : x
  2. Step 2: Convert to fraction form
    8,561,801.82/12,843,401.61 = 4,299,778.14/x
  3. Step 3: Cross multiply
    8,561,801.82x = 12,843,401.61 × 4,299,778.14
  4. Step 4: Simplify right side
    8,561,801.82x = 55,223,777,485,918.80
  5. Step 5: Solve for x
    x = 55,223,777,485,918.80/8,561,801.82
  6. Step 6: Final answer
    x = 6,450,018.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.