Home / 21,552,003.20-32,328,004.80-20,489,121.20

Finding the Fourth Proportional to 21,552,003.20, 32,328,004.80 and 20,489,121.20

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Solution

The fourth proportional to 21,552,003.20, 32,328,004.80 and 20,489,121.20 is: 30,733,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,003.20 : 32,328,004.80 = 20,489,121.20 : x
  2. Step 2: Convert to fraction form
    21,552,003.20/32,328,004.80 = 20,489,121.20/x
  3. Step 3: Cross multiply
    21,552,003.20x = 32,328,004.80 × 20,489,121.20
  4. Step 4: Simplify right side
    21,552,003.20x = 662,372,408,501,381.75
  5. Step 5: Solve for x
    x = 662,372,408,501,381.75/21,552,003.20
  6. Step 6: Final answer
    x = 30,733,681.80

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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.