Home / 21,384,109.20-32,076,163.80-7,737,229.20

Finding the Fourth Proportional to 21,384,109.20, 32,076,163.80 and 7,737,229.20

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Solution

The fourth proportional to 21,384,109.20, 32,076,163.80 and 7,737,229.20 is: 11,605,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,109.20 : 32,076,163.80 = 7,737,229.20 : x
  2. Step 2: Convert to fraction form
    21,384,109.20/32,076,163.80 = 7,737,229.20/x
  3. Step 3: Cross multiply
    21,384,109.20x = 32,076,163.80 × 7,737,229.20
  4. Step 4: Simplify right side
    21,384,109.20x = 248,180,631,177,342.97
  5. Step 5: Solve for x
    x = 248,180,631,177,342.97/21,384,109.20
  6. Step 6: Final answer
    x = 11,605,843.80

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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.