Home / 30,981,791.76-42,754,636.31-17,042,846.82

Finding the Fourth Proportional to 30,981,791.76, 42,754,636.31 and 17,042,846.82

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Solution

The fourth proportional to 30,981,791.76, 42,754,636.31 and 17,042,846.82 is: 23,518,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981,791.76 : 42,754,636.31 = 17,042,846.82 : x
  2. Step 2: Convert to fraction form
    30,981,791.76/42,754,636.31 = 17,042,846.82/x
  3. Step 3: Cross multiply
    30,981,791.76x = 42,754,636.31 × 17,042,846.82
  4. Step 4: Simplify right side
    30,981,791.76x = 728,660,717,476,140.12
  5. Step 5: Solve for x
    x = 728,660,717,476,140.12/30,981,791.76
  6. Step 6: Final answer
    x = 23,518,998.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.