Home / 30,981,790.26-42,754,634.24-17,042,845.32

Finding the Fourth Proportional to 30,981,790.26, 42,754,634.24 and 17,042,845.32

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Solution

The fourth proportional to 30,981,790.26, 42,754,634.24 and 17,042,845.32 is: 23,518,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981,790.26 : 42,754,634.24 = 17,042,845.32 : x
  2. Step 2: Convert to fraction form
    30,981,790.26/42,754,634.24 = 17,042,845.32/x
  3. Step 3: Cross multiply
    30,981,790.26x = 42,754,634.24 × 17,042,845.32
  4. Step 4: Simplify right side
    30,981,790.26x = 728,660,617,894,329.75
  5. Step 5: Solve for x
    x = 728,660,617,894,329.75/30,981,790.26
  6. Step 6: Final answer
    x = 23,518,996.54

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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.