Home / 21,904,801.20-32,794,216.20-21,274,945.20

Finding the Fourth Proportional to 21,904,801.20, 32,794,216.20 and 21,274,945.20

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Solution

The fourth proportional to 21,904,801.20, 32,794,216.20 and 21,274,945.20 is: 31,851,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,801.20 : 32,794,216.20 = 21,274,945.20 : x
  2. Step 2: Convert to fraction form
    21,904,801.20/32,794,216.20 = 21,274,945.20/x
  3. Step 3: Cross multiply
    21,904,801.20x = 32,794,216.20 × 21,274,945.20
  4. Step 4: Simplify right side
    21,904,801.20x = 697,695,152,531,952.25
  5. Step 5: Solve for x
    x = 697,695,152,531,952.25/21,904,801.20
  6. Step 6: Final answer
    x = 31,851,243.30

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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.