Home / 28,866,394.31-43,313,817.89-13,514,723.51

Finding the Fourth Proportional to 28,866,394.31, 43,313,817.89 and 13,514,723.51

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Solution

The fourth proportional to 28,866,394.31, 43,313,817.89 and 13,514,723.51 is: 20,278,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866,394.31 : 43,313,817.89 = 13,514,723.51 : x
  2. Step 2: Convert to fraction form
    28,866,394.31/43,313,817.89 = 13,514,723.51/x
  3. Step 3: Cross multiply
    28,866,394.31x = 43,313,817.89 × 13,514,723.51
  4. Step 4: Simplify right side
    28,866,394.31x = 585,374,272,661,698.88
  5. Step 5: Solve for x
    x = 585,374,272,661,698.88/28,866,394.31
  6. Step 6: Final answer
    x = 20,278,745.81

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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.