Home / 18,883,939.30-26,057,524.46-11,911,999.26

Finding the Fourth Proportional to 18,883,939.30, 26,057,524.46 and 11,911,999.26

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Solution

The fourth proportional to 18,883,939.30, 26,057,524.46 and 11,911,999.26 is: 16,437,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,939.30 : 26,057,524.46 = 11,911,999.26 : x
  2. Step 2: Convert to fraction form
    18,883,939.30/26,057,524.46 = 11,911,999.26/x
  3. Step 3: Cross multiply
    18,883,939.30x = 26,057,524.46 × 11,911,999.26
  4. Step 4: Simplify right side
    18,883,939.30x = 310,397,212,084,951.88
  5. Step 5: Solve for x
    x = 310,397,212,084,951.88/18,883,939.30
  6. Step 6: Final answer
    x = 16,437,100.71

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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.