Home / 38,454,512.30-53,067,222.99-20,813,411.81

Finding the Fourth Proportional to 38,454,512.30, 53,067,222.99 and 20,813,411.81

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Solution

The fourth proportional to 38,454,512.30, 53,067,222.99 and 20,813,411.81 is: 28,722,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454,512.30 : 53,067,222.99 = 20,813,411.81 : x
  2. Step 2: Convert to fraction form
    38,454,512.30/53,067,222.99 = 20,813,411.81/x
  3. Step 3: Cross multiply
    38,454,512.30x = 53,067,222.99 × 20,813,411.81
  4. Step 4: Simplify right side
    38,454,512.30x = 1,104,509,965,438,633.38
  5. Step 5: Solve for x
    x = 1,104,509,965,438,633.38/38,454,512.30
  6. Step 6: Final answer
    x = 28,722,506.14

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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.