Home / 19,119,629.25-28,659,022.16-10,904,584.68

Finding the Fourth Proportional to 19,119,629.25, 28,659,022.16 and 10,904,584.68

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Solution

The fourth proportional to 19,119,629.25, 28,659,022.16 and 10,904,584.68 is: 16,345,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,629.25 : 28,659,022.16 = 10,904,584.68 : x
  2. Step 2: Convert to fraction form
    19,119,629.25/28,659,022.16 = 10,904,584.68/x
  3. Step 3: Cross multiply
    19,119,629.25x = 28,659,022.16 × 10,904,584.68
  4. Step 4: Simplify right side
    19,119,629.25x = 312,514,733,935,193.56
  5. Step 5: Solve for x
    x = 312,514,733,935,193.56/19,119,629.25
  6. Step 6: Final answer
    x = 16,345,229.81

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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.