Home / 36,690,131.73-55,041,840.60-18,448,419.40

Finding the Fourth Proportional to 36,690,131.73, 55,041,840.60 and 18,448,419.40

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Solution

The fourth proportional to 36,690,131.73, 55,041,840.60 and 18,448,419.40 is: 27,675,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690,131.73 : 55,041,840.60 = 18,448,419.40 : x
  2. Step 2: Convert to fraction form
    36,690,131.73/55,041,840.60 = 18,448,419.40/x
  3. Step 3: Cross multiply
    36,690,131.73x = 55,041,840.60 × 18,448,419.40
  4. Step 4: Simplify right side
    36,690,131.73x = 1,015,434,959,936,747.62
  5. Step 5: Solve for x
    x = 1,015,434,959,936,747.62/36,690,131.73
  6. Step 6: Final answer
    x = 27,675,969.32

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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.