Home / 18,805,642.94-25,940,792.13-11,825,272.96

Finding the Fourth Proportional to 18,805,642.94, 25,940,792.13 and 11,825,272.96

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Solution

The fourth proportional to 18,805,642.94, 25,940,792.13 and 11,825,272.96 is: 16,311,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,642.94 : 25,940,792.13 = 11,825,272.96 : x
  2. Step 2: Convert to fraction form
    18,805,642.94/25,940,792.13 = 11,825,272.96/x
  3. Step 3: Cross multiply
    18,805,642.94x = 25,940,792.13 × 11,825,272.96
  4. Step 4: Simplify right side
    18,805,642.94x = 306,756,947,735,869.81
  5. Step 5: Solve for x
    x = 306,756,947,735,869.81/18,805,642.94
  6. Step 6: Final answer
    x = 16,311,962.78

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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.