Home / 31,053,480.77-42,853,969.62-17,821,602.54

Finding the Fourth Proportional to 31,053,480.77, 42,853,969.62 and 17,821,602.54

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Solution

The fourth proportional to 31,053,480.77, 42,853,969.62 and 17,821,602.54 is: 24,593,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,480.77 : 42,853,969.62 = 17,821,602.54 : x
  2. Step 2: Convert to fraction form
    31,053,480.77/42,853,969.62 = 17,821,602.54/x
  3. Step 3: Cross multiply
    31,053,480.77x = 42,853,969.62 × 17,821,602.54
  4. Step 4: Simplify right side
    31,053,480.77x = 763,726,413,828,874.75
  5. Step 5: Solve for x
    x = 763,726,413,828,874.75/31,053,480.77
  6. Step 6: Final answer
    x = 24,593,906.86

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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.