Home / 7,029,448.16-10,540,380.78-3,189,175.08

Finding the Fourth Proportional to 7,029,448.16, 10,540,380.78 and 3,189,175.08

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Solution

The fourth proportional to 7,029,448.16, 10,540,380.78 and 3,189,175.08 is: 4,782,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,448.16 : 10,540,380.78 = 3,189,175.08 : x
  2. Step 2: Convert to fraction form
    7,029,448.16/10,540,380.78 = 3,189,175.08/x
  3. Step 3: Cross multiply
    7,029,448.16x = 10,540,380.78 × 3,189,175.08
  4. Step 4: Simplify right side
    7,029,448.16x = 33,615,119,717,286.96
  5. Step 5: Solve for x
    x = 33,615,119,717,286.96/7,029,448.16
  6. Step 6: Final answer
    x = 4,782,042.48

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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.