Home / 54,002,716.80-81,004,075.20-13,613,200.80

Finding the Fourth Proportional to 54,002,716.80, 81,004,075.20 and 13,613,200.80

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Solution

The fourth proportional to 54,002,716.80, 81,004,075.20 and 13,613,200.80 is: 20,419,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002,716.80 : 81,004,075.20 = 13,613,200.80 : x
  2. Step 2: Convert to fraction form
    54,002,716.80/81,004,075.20 = 13,613,200.80/x
  3. Step 3: Cross multiply
    54,002,716.80x = 81,004,075.20 × 13,613,200.80
  4. Step 4: Simplify right side
    54,002,716.80x = 1,102,724,741,315,900.25
  5. Step 5: Solve for x
    x = 1,102,724,741,315,900.25/54,002,716.80
  6. Step 6: Final answer
    x = 20,419,801.20

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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.