Home / 18,805,639.34-25,940,787.17-11,825,269.34

Finding the Fourth Proportional to 18,805,639.34, 25,940,787.17 and 11,825,269.34

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Solution

The fourth proportional to 18,805,639.34, 25,940,787.17 and 11,825,269.34 is: 16,311,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,639.34 : 25,940,787.17 = 11,825,269.34 : x
  2. Step 2: Convert to fraction form
    18,805,639.34/25,940,787.17 = 11,825,269.34/x
  3. Step 3: Cross multiply
    18,805,639.34x = 25,940,787.17 × 11,825,269.34
  4. Step 4: Simplify right side
    18,805,639.34x = 306,756,794,988,036.12
  5. Step 5: Solve for x
    x = 306,756,794,988,036.12/18,805,639.34
  6. Step 6: Final answer
    x = 16,311,957.78

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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.