Home / 37,982,912.80-56,998,863.60-20,955,805.60

Finding the Fourth Proportional to 37,982,912.80, 56,998,863.60 and 20,955,805.60

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Solution

The fourth proportional to 37,982,912.80, 56,998,863.60 and 20,955,805.60 is: 31,447,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,982,912.80 : 56,998,863.60 = 20,955,805.60 : x
  2. Step 2: Convert to fraction form
    37,982,912.80/56,998,863.60 = 20,955,805.60/x
  3. Step 3: Cross multiply
    37,982,912.80x = 56,998,863.60 × 20,955,805.60
  4. Step 4: Simplify right side
    37,982,912.80x = 1,194,457,105,022,516.25
  5. Step 5: Solve for x
    x = 1,194,457,105,022,516.25/37,982,912.80
  6. Step 6: Final answer
    x = 31,447,222.37

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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.