Home / 7,238,821.57-10,854,917.38-4,322,238.46

Finding the Fourth Proportional to 7,238,821.57, 10,854,917.38 and 4,322,238.46

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Solution

The fourth proportional to 7,238,821.57, 10,854,917.38 and 4,322,238.46 is: 6,481,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,821.57 : 10,854,917.38 = 4,322,238.46 : x
  2. Step 2: Convert to fraction form
    7,238,821.57/10,854,917.38 = 4,322,238.46/x
  3. Step 3: Cross multiply
    7,238,821.57x = 10,854,917.38 × 4,322,238.46
  4. Step 4: Simplify right side
    7,238,821.57x = 46,917,541,325,683.85
  5. Step 5: Solve for x
    x = 46,917,541,325,683.85/7,238,821.57
  6. Step 6: Final answer
    x = 6,481,378.34

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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.