Home / 12,259,636.20-18,393,390.90-5,433,571.80

Finding the Fourth Proportional to 12,259,636.20, 18,393,390.90 and 5,433,571.80

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Solution

The fourth proportional to 12,259,636.20, 18,393,390.90 and 5,433,571.80 is: 8,152,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,636.20 : 18,393,390.90 = 5,433,571.80 : x
  2. Step 2: Convert to fraction form
    12,259,636.20/18,393,390.90 = 5,433,571.80/x
  3. Step 3: Cross multiply
    12,259,636.20x = 18,393,390.90 × 5,433,571.80
  4. Step 4: Simplify right side
    12,259,636.20x = 99,941,810,100,616.61
  5. Step 5: Solve for x
    x = 99,941,810,100,616.61/12,259,636.20
  6. Step 6: Final answer
    x = 8,152,102.43

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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.