Home / 7,239,191.46-10,842,249.30-3,455,331.54

Finding the Fourth Proportional to 7,239,191.46, 10,842,249.30 and 3,455,331.54

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Solution

The fourth proportional to 7,239,191.46, 10,842,249.30 and 3,455,331.54 is: 5,175,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,191.46 : 10,842,249.30 = 3,455,331.54 : x
  2. Step 2: Convert to fraction form
    7,239,191.46/10,842,249.30 = 3,455,331.54/x
  3. Step 3: Cross multiply
    7,239,191.46x = 10,842,249.30 × 3,455,331.54
  4. Step 4: Simplify right side
    7,239,191.46x = 37,463,565,970,832.92
  5. Step 5: Solve for x
    x = 37,463,565,970,832.92/7,239,191.46
  6. Step 6: Final answer
    x = 5,175,103.63

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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.