Home / 39,956,611.50-55,140,517.53-21,622,290.66

Finding the Fourth Proportional to 39,956,611.50, 55,140,517.53 and 21,622,290.66

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Solution

The fourth proportional to 39,956,611.50, 55,140,517.53 and 21,622,290.66 is: 29,838,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956,611.50 : 55,140,517.53 = 21,622,290.66 : x
  2. Step 2: Convert to fraction form
    39,956,611.50/55,140,517.53 = 21,622,290.66/x
  3. Step 3: Cross multiply
    39,956,611.50x = 55,140,517.53 × 21,622,290.66
  4. Step 4: Simplify right side
    39,956,611.50x = 1,192,264,297,176,485.25
  5. Step 5: Solve for x
    x = 1,192,264,297,176,485.25/39,956,611.50
  6. Step 6: Final answer
    x = 29,838,974.14

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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.