Home / 30,505,778.12-45,923,589.30-27,790,774.36

Finding the Fourth Proportional to 30,505,778.12, 45,923,589.30 and 27,790,774.36

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Solution

The fourth proportional to 30,505,778.12, 45,923,589.30 and 27,790,774.36 is: 41,836,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,778.12 : 45,923,589.30 = 27,790,774.36 : x
  2. Step 2: Convert to fraction form
    30,505,778.12/45,923,589.30 = 27,790,774.36/x
  3. Step 3: Cross multiply
    30,505,778.12x = 45,923,589.30 × 27,790,774.36
  4. Step 4: Simplify right side
    30,505,778.12x = 1,276,252,108,037,610.25
  5. Step 5: Solve for x
    x = 1,276,252,108,037,610.25/30,505,778.12
  6. Step 6: Final answer
    x = 41,836,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.