Home / 9,482,141.12-13,085,255.04-5,131,132.16

Finding the Fourth Proportional to 9,482,141.12, 13,085,255.04 and 5,131,132.16

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Solution

The fourth proportional to 9,482,141.12, 13,085,255.04 and 5,131,132.16 is: 7,080,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,141.12 : 13,085,255.04 = 5,131,132.16 : x
  2. Step 2: Convert to fraction form
    9,482,141.12/13,085,255.04 = 5,131,132.16/x
  3. Step 3: Cross multiply
    9,482,141.12x = 13,085,255.04 × 5,131,132.16
  4. Step 4: Simplify right side
    9,482,141.12x = 67,142,172,957,546.09
  5. Step 5: Solve for x
    x = 67,142,172,957,546.09/9,482,141.12
  6. Step 6: Final answer
    x = 7,080,908.43

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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.