Home / 20,273,016.66-27,976,790.78-11,210,217.14

Finding the Fourth Proportional to 20,273,016.66, 27,976,790.78 and 11,210,217.14

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Solution

The fourth proportional to 20,273,016.66, 27,976,790.78 and 11,210,217.14 is: 15,470,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,016.66 : 27,976,790.78 = 11,210,217.14 : x
  2. Step 2: Convert to fraction form
    20,273,016.66/27,976,790.78 = 11,210,217.14/x
  3. Step 3: Cross multiply
    20,273,016.66x = 27,976,790.78 × 11,210,217.14
  4. Step 4: Simplify right side
    20,273,016.66x = 313,625,899,580,079.19
  5. Step 5: Solve for x
    x = 313,625,899,580,079.19/20,273,016.66
  6. Step 6: Final answer
    x = 15,470,115.03

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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.