Home / 9,621,912.88-13,278,200.52-5,270,993.20

Finding the Fourth Proportional to 9,621,912.88, 13,278,200.52 and 5,270,993.20

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Solution

The fourth proportional to 9,621,912.88, 13,278,200.52 and 5,270,993.20 is: 7,273,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,912.88 : 13,278,200.52 = 5,270,993.20 : x
  2. Step 2: Convert to fraction form
    9,621,912.88/13,278,200.52 = 5,270,993.20/x
  3. Step 3: Cross multiply
    9,621,912.88x = 13,278,200.52 × 5,270,993.20
  4. Step 4: Simplify right side
    9,621,912.88x = 69,989,304,649,156.46
  5. Step 5: Solve for x
    x = 69,989,304,649,156.46/9,621,912.88
  6. Step 6: Final answer
    x = 7,273,949.11

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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.