Home / 18,883,939.55-26,057,524.79-11,911,999.52

Finding the Fourth Proportional to 18,883,939.55, 26,057,524.79 and 11,911,999.52

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Solution

The fourth proportional to 18,883,939.55, 26,057,524.79 and 11,911,999.52 is: 16,437,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,939.55 : 26,057,524.79 = 11,911,999.52 : x
  2. Step 2: Convert to fraction form
    18,883,939.55/26,057,524.79 = 11,911,999.52/x
  3. Step 3: Cross multiply
    18,883,939.55x = 26,057,524.79 × 11,911,999.52
  4. Step 4: Simplify right side
    18,883,939.55x = 310,397,222,885,791.94
  5. Step 5: Solve for x
    x = 310,397,222,885,791.94/18,883,939.55
  6. Step 6: Final answer
    x = 16,437,101.07

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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.