Home / 21,810,503,241.87-32,669,939,151.72-13,838,568,020.72

Finding the Fourth Proportional to 21,810,503,241.87, 32,669,939,151.72 and 13,838,568,020.72

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Solution

The fourth proportional to 21,810,503,241.87, 32,669,939,151.72 and 13,838,568,020.72 is: 20,728,782,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,503,241.87 : 32,669,939,151.72 = 13,838,568,020.72 : x
  2. Step 2: Convert to fraction form
    21,810,503,241.87/32,669,939,151.72 = 13,838,568,020.72/x
  3. Step 3: Cross multiply
    21,810,503,241.87x = 32,669,939,151.72 × 13,838,568,020.72
  4. Step 4: Simplify right side
    21,810,503,241.87x = 452,105,175,183,991,373,824
  5. Step 5: Solve for x
    x = 452,105,175,183,991,373,824/21,810,503,241.87
  6. Step 6: Final answer
    x = 20,728,782,374.73

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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.