Home / 31,196,729.80-43,062,310.02-21,439,473.04

Finding the Fourth Proportional to 31,196,729.80, 43,062,310.02 and 21,439,473.04

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Solution

The fourth proportional to 31,196,729.80, 43,062,310.02 and 21,439,473.04 is: 29,593,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,196,729.80 : 43,062,310.02 = 21,439,473.04 : x
  2. Step 2: Convert to fraction form
    31,196,729.80/43,062,310.02 = 21,439,473.04/x
  3. Step 3: Cross multiply
    31,196,729.80x = 43,062,310.02 × 21,439,473.04
  4. Step 4: Simplify right side
    31,196,729.80x = 923,233,234,713,911.88
  5. Step 5: Solve for x
    x = 923,233,234,713,911.88/31,196,729.80
  6. Step 6: Final answer
    x = 29,593,910.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.