Home / 7,238,821.31-10,854,917.00-4,322,238.20

Finding the Fourth Proportional to 7,238,821.31, 10,854,917.00 and 4,322,238.20

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Solution

The fourth proportional to 7,238,821.31, 10,854,917.00 and 4,322,238.20 is: 6,481,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,821.31 : 10,854,917.00 = 4,322,238.20 : x
  2. Step 2: Convert to fraction form
    7,238,821.31/10,854,917.00 = 4,322,238.20/x
  3. Step 3: Cross multiply
    7,238,821.31x = 10,854,917.00 × 4,322,238.20
  4. Step 4: Simplify right side
    7,238,821.31x = 46,917,536,981,629.45
  5. Step 5: Solve for x
    x = 46,917,536,981,629.45/7,238,821.31
  6. Step 6: Final answer
    x = 6,481,377.97

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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.