Home / 20,085,766.53-27,718,661.52-11,267,172.64

Finding the Fourth Proportional to 20,085,766.53, 27,718,661.52 and 11,267,172.64

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Solution

The fourth proportional to 20,085,766.53, 27,718,661.52 and 11,267,172.64 is: 15,548,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,766.53 : 27,718,661.52 = 11,267,172.64 : x
  2. Step 2: Convert to fraction form
    20,085,766.53/27,718,661.52 = 11,267,172.64/x
  3. Step 3: Cross multiply
    20,085,766.53x = 27,718,661.52 × 11,267,172.64
  4. Step 4: Simplify right side
    20,085,766.53x = 312,310,944,695,564.81
  5. Step 5: Solve for x
    x = 312,310,944,695,564.81/20,085,766.53
  6. Step 6: Final answer
    x = 15,548,868.61

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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.