Home / 11,448,129.78-17,172,019.71-2,928,394.26

Finding the Fourth Proportional to 11,448,129.78, 17,172,019.71 and 2,928,394.26

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Solution

The fourth proportional to 11,448,129.78, 17,172,019.71 and 2,928,394.26 is: 4,392,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448,129.78 : 17,172,019.71 = 2,928,394.26 : x
  2. Step 2: Convert to fraction form
    11,448,129.78/17,172,019.71 = 2,928,394.26/x
  3. Step 3: Cross multiply
    11,448,129.78x = 17,172,019.71 × 2,928,394.26
  4. Step 4: Simplify right side
    11,448,129.78x = 50,286,443,951,370.87
  5. Step 5: Solve for x
    x = 50,286,443,951,370.87/11,448,129.78
  6. Step 6: Final answer
    x = 4,392,546.64

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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.