Home / 8,642,517.21-12,961,656.05-4,093,401.69

Finding the Fourth Proportional to 8,642,517.21, 12,961,656.05 and 4,093,401.69

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Solution

The fourth proportional to 8,642,517.21, 12,961,656.05 and 4,093,401.69 is: 6,139,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,517.21 : 12,961,656.05 = 4,093,401.69 : x
  2. Step 2: Convert to fraction form
    8,642,517.21/12,961,656.05 = 4,093,401.69/x
  3. Step 3: Cross multiply
    8,642,517.21x = 12,961,656.05 × 4,093,401.69
  4. Step 4: Simplify right side
    8,642,517.21x = 53,057,264,759,801.72
  5. Step 5: Solve for x
    x = 53,057,264,759,801.72/8,642,517.21
  6. Step 6: Final answer
    x = 6,139,098.54

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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.