Home / 9,621,872.16-13,278,199.26-5,270,862.96

Finding the Fourth Proportional to 9,621,872.16, 13,278,199.26 and 5,270,862.96

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Solution

The fourth proportional to 9,621,872.16, 13,278,199.26 and 5,270,862.96 is: 7,273,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,872.16 : 13,278,199.26 = 5,270,862.96 : x
  2. Step 2: Convert to fraction form
    9,621,872.16/13,278,199.26 = 5,270,862.96/x
  3. Step 3: Cross multiply
    9,621,872.16x = 13,278,199.26 × 5,270,862.96
  4. Step 4: Simplify right side
    9,621,872.16x = 69,987,568,655,033.41
  5. Step 5: Solve for x
    x = 69,987,568,655,033.41/9,621,872.16
  6. Step 6: Final answer
    x = 7,273,799.47

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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.