Home / 30,227,469.48-41,713,971.30-19,780,651.80

Finding the Fourth Proportional to 30,227,469.48, 41,713,971.30 and 19,780,651.80

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Solution

The fourth proportional to 30,227,469.48, 41,713,971.30 and 19,780,651.80 is: 27,297,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227,469.48 : 41,713,971.30 = 19,780,651.80 : x
  2. Step 2: Convert to fraction form
    30,227,469.48/41,713,971.30 = 19,780,651.80/x
  3. Step 3: Cross multiply
    30,227,469.48x = 41,713,971.30 × 19,780,651.80
  4. Step 4: Simplify right side
    30,227,469.48x = 825,129,541,480,493.25
  5. Step 5: Solve for x
    x = 825,129,541,480,493.25/30,227,469.48
  6. Step 6: Final answer
    x = 27,297,340.98

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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.