Home / 54,002,287.80-81,003,431.70-13,612,771.80

Finding the Fourth Proportional to 54,002,287.80, 81,003,431.70 and 13,612,771.80

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Solution

The fourth proportional to 54,002,287.80, 81,003,431.70 and 13,612,771.80 is: 20,419,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002,287.80 : 81,003,431.70 = 13,612,771.80 : x
  2. Step 2: Convert to fraction form
    54,002,287.80/81,003,431.70 = 13,612,771.80/x
  3. Step 3: Cross multiply
    54,002,287.80x = 81,003,431.70 × 13,612,771.80
  4. Step 4: Simplify right side
    54,002,287.80x = 1,102,681,230,748,986.12
  5. Step 5: Solve for x
    x = 1,102,681,230,748,986.12/54,002,287.80
  6. Step 6: Final answer
    x = 20,419,157.70

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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.