Home / 7,202,211.41-9,938,912.09-3,939,016.05

Finding the Fourth Proportional to 7,202,211.41, 9,938,912.09 and 3,939,016.05

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Solution

The fourth proportional to 7,202,211.41, 9,938,912.09 and 3,939,016.05 is: 5,435,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,211.41 : 9,938,912.09 = 3,939,016.05 : x
  2. Step 2: Convert to fraction form
    7,202,211.41/9,938,912.09 = 3,939,016.05/x
  3. Step 3: Cross multiply
    7,202,211.41x = 9,938,912.09 × 3,939,016.05
  4. Step 4: Simplify right side
    7,202,211.41x = 39,149,534,222,353.97
  5. Step 5: Solve for x
    x = 39,149,534,222,353.97/7,202,211.41
  6. Step 6: Final answer
    x = 5,435,765.76

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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.