Home / 9,609,921.12-13,261,687.12-5,259,007.20

Finding the Fourth Proportional to 9,609,921.12, 13,261,687.12 and 5,259,007.20

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Solution

The fourth proportional to 9,609,921.12, 13,261,687.12 and 5,259,007.20 is: 7,257,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609,921.12 : 13,261,687.12 = 5,259,007.20 : x
  2. Step 2: Convert to fraction form
    9,609,921.12/13,261,687.12 = 5,259,007.20/x
  3. Step 3: Cross multiply
    9,609,921.12x = 13,261,687.12 × 5,259,007.20
  4. Step 4: Simplify right side
    9,609,921.12x = 69,743,308,048,227.27
  5. Step 5: Solve for x
    x = 69,743,308,048,227.27/9,609,921.12
  6. Step 6: Final answer
    x = 7,257,427.73

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1.5x scale

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.