Home / 7,131,193.56-9,840,974.70-3,867,938.22

Finding the Fourth Proportional to 7,131,193.56, 9,840,974.70 and 3,867,938.22

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Solution

The fourth proportional to 7,131,193.56, 9,840,974.70 and 3,867,938.22 is: 5,337,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,193.56 : 9,840,974.70 = 3,867,938.22 : x
  2. Step 2: Convert to fraction form
    7,131,193.56/9,840,974.70 = 3,867,938.22/x
  3. Step 3: Cross multiply
    7,131,193.56x = 9,840,974.70 × 3,867,938.22
  4. Step 4: Simplify right side
    7,131,193.56x = 38,064,282,164,183.03
  5. Step 5: Solve for x
    x = 38,064,282,164,183.03/7,131,193.56
  6. Step 6: Final answer
    x = 5,337,715.47

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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.