Home / 31,053,480.92-42,853,969.84-17,821,602.70

Finding the Fourth Proportional to 31,053,480.92, 42,853,969.84 and 17,821,602.70

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Solution

The fourth proportional to 31,053,480.92, 42,853,969.84 and 17,821,602.70 is: 24,593,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,480.92 : 42,853,969.84 = 17,821,602.70 : x
  2. Step 2: Convert to fraction form
    31,053,480.92/42,853,969.84 = 17,821,602.70/x
  3. Step 3: Cross multiply
    31,053,480.92x = 42,853,969.84 × 17,821,602.70
  4. Step 4: Simplify right side
    31,053,480.92x = 763,726,424,606,262.62
  5. Step 5: Solve for x
    x = 763,726,424,606,262.62/31,053,480.92
  6. Step 6: Final answer
    x = 24,593,907.09

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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.