Home / 7,239,054.70-10,856,170.83-2,919,989.44

Finding the Fourth Proportional to 7,239,054.70, 10,856,170.83 and 2,919,989.44

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Solution

The fourth proportional to 7,239,054.70, 10,856,170.83 and 2,919,989.44 is: 4,379,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,054.70 : 10,856,170.83 = 2,919,989.44 : x
  2. Step 2: Convert to fraction form
    7,239,054.70/10,856,170.83 = 2,919,989.44/x
  3. Step 3: Cross multiply
    7,239,054.70x = 10,856,170.83 × 2,919,989.44
  4. Step 4: Simplify right side
    7,239,054.70x = 31,699,904,182,436.04
  5. Step 5: Solve for x
    x = 31,699,904,182,436.04/7,239,054.70
  6. Step 6: Final answer
    x = 4,379,011.56

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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.