Home / 36,322,729.40-54,455,321.55-18,117,553.64

Finding the Fourth Proportional to 36,322,729.40, 54,455,321.55 and 18,117,553.64

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Solution

The fourth proportional to 36,322,729.40, 54,455,321.55 and 18,117,553.64 is: 27,161,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322,729.40 : 54,455,321.55 = 18,117,553.64 : x
  2. Step 2: Convert to fraction form
    36,322,729.40/54,455,321.55 = 18,117,553.64/x
  3. Step 3: Cross multiply
    36,322,729.40x = 54,455,321.55 × 18,117,553.64
  4. Step 4: Simplify right side
    36,322,729.40x = 986,597,209,038,053.75
  5. Step 5: Solve for x
    x = 986,597,209,038,053.75/36,322,729.40
  6. Step 6: Final answer
    x = 27,161,978.89

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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.