Home / 31,903,481.80-47,792,237.10-19,085,912.20

Finding the Fourth Proportional to 31,903,481.80, 47,792,237.10 and 19,085,912.20

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Solution

The fourth proportional to 31,903,481.80, 47,792,237.10 and 19,085,912.20 is: 28,591,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903,481.80 : 47,792,237.10 = 19,085,912.20 : x
  2. Step 2: Convert to fraction form
    31,903,481.80/47,792,237.10 = 19,085,912.20/x
  3. Step 3: Cross multiply
    31,903,481.80x = 47,792,237.10 × 19,085,912.20
  4. Step 4: Simplify right side
    31,903,481.80x = 912,158,441,132,182.62
  5. Step 5: Solve for x
    x = 912,158,441,132,182.62/31,903,481.80
  6. Step 6: Final answer
    x = 28,591,187.85

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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.