Home / 18,342,760.80-27,482,648.40-11,949,722.40

Finding the Fourth Proportional to 18,342,760.80, 27,482,648.40 and 11,949,722.40

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Solution

The fourth proportional to 18,342,760.80, 27,482,648.40 and 11,949,722.40 is: 17,904,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342,760.80 : 27,482,648.40 = 11,949,722.40 : x
  2. Step 2: Convert to fraction form
    18,342,760.80/27,482,648.40 = 11,949,722.40/x
  3. Step 3: Cross multiply
    18,342,760.80x = 27,482,648.40 × 11,949,722.40
  4. Step 4: Simplify right side
    18,342,760.80x = 328,410,019,196,804.12
  5. Step 5: Solve for x
    x = 328,410,019,196,804.12/18,342,760.80
  6. Step 6: Final answer
    x = 17,904,067.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.