Home / 18,594,100.26-27,891,214.83-5,640,361.85

Finding the Fourth Proportional to 18,594,100.26, 27,891,214.83 and 5,640,361.85

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Solution

The fourth proportional to 18,594,100.26, 27,891,214.83 and 5,640,361.85 is: 8,460,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,100.26 : 27,891,214.83 = 5,640,361.85 : x
  2. Step 2: Convert to fraction form
    18,594,100.26/27,891,214.83 = 5,640,361.85/x
  3. Step 3: Cross multiply
    18,594,100.26x = 27,891,214.83 × 5,640,361.85
  4. Step 4: Simplify right side
    18,594,100.26x = 157,316,544,147,014.25
  5. Step 5: Solve for x
    x = 157,316,544,147,014.25/18,594,100.26
  6. Step 6: Final answer
    x = 8,460,562.33

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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.