Home / 38,436,920.07-57,643,516.09-11,145,224.51

Finding the Fourth Proportional to 38,436,920.07, 57,643,516.09 and 11,145,224.51

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Solution

The fourth proportional to 38,436,920.07, 57,643,516.09 and 11,145,224.51 is: 16,714,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,920.07 : 57,643,516.09 = 11,145,224.51 : x
  2. Step 2: Convert to fraction form
    38,436,920.07/57,643,516.09 = 11,145,224.51/x
  3. Step 3: Cross multiply
    38,436,920.07x = 57,643,516.09 × 11,145,224.51
  4. Step 4: Simplify right side
    38,436,920.07x = 642,449,928,313,121.25
  5. Step 5: Solve for x
    x = 642,449,928,313,121.25/38,436,920.07
  6. Step 6: Final answer
    x = 16,714,396.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.