Home / 21,137,912.56-29,170,375.32-12,436,413.04

Finding the Fourth Proportional to 21,137,912.56, 29,170,375.32 and 12,436,413.04

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Solution

The fourth proportional to 21,137,912.56, 29,170,375.32 and 12,436,413.04 is: 17,162,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,137,912.56 : 29,170,375.32 = 12,436,413.04 : x
  2. Step 2: Convert to fraction form
    21,137,912.56/29,170,375.32 = 12,436,413.04/x
  3. Step 3: Cross multiply
    21,137,912.56x = 29,170,375.32 × 12,436,413.04
  4. Step 4: Simplify right side
    21,137,912.56x = 362,774,836,011,342.12
  5. Step 5: Solve for x
    x = 362,774,836,011,342.12/21,137,912.56
  6. Step 6: Final answer
    x = 17,162,282.94

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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.