Home / 36,690,131.23-55,041,839.85-18,448,418.90

Finding the Fourth Proportional to 36,690,131.23, 55,041,839.85 and 18,448,418.90

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Solution

The fourth proportional to 36,690,131.23, 55,041,839.85 and 18,448,418.90 is: 27,675,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690,131.23 : 55,041,839.85 = 18,448,418.90 : x
  2. Step 2: Convert to fraction form
    36,690,131.23/55,041,839.85 = 18,448,418.90/x
  3. Step 3: Cross multiply
    36,690,131.23x = 55,041,839.85 × 18,448,418.90
  4. Step 4: Simplify right side
    36,690,131.23x = 1,015,434,918,579,513.12
  5. Step 5: Solve for x
    x = 1,015,434,918,579,513.12/36,690,131.23
  6. Step 6: Final answer
    x = 27,675,968.57

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1.5x scale

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.