Home / 10,419,717.80-15,629,611.00-2,638,627.83

Finding the Fourth Proportional to 10,419,717.80, 15,629,611.00 and 2,638,627.83

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Solution

The fourth proportional to 10,419,717.80, 15,629,611.00 and 2,638,627.83 is: 3,957,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,717.80 : 15,629,611.00 = 2,638,627.83 : x
  2. Step 2: Convert to fraction form
    10,419,717.80/15,629,611.00 = 2,638,627.83/x
  3. Step 3: Cross multiply
    10,419,717.80x = 15,629,611.00 × 2,638,627.83
  4. Step 4: Simplify right side
    10,419,717.80x = 41,240,726,524,054.03
  5. Step 5: Solve for x
    x = 41,240,726,524,054.03/10,419,717.80
  6. Step 6: Final answer
    x = 3,957,950.43

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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.