Home / 20,810,848,474.26-28,718,898,193.35-11,295,399,731.22

Finding the Fourth Proportional to 20,810,848,474.26, 28,718,898,193.35 and 11,295,399,731.22

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Solution

The fourth proportional to 20,810,848,474.26, 28,718,898,193.35 and 11,295,399,731.22 is: 15,587,612,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,848,474.26 : 28,718,898,193.35 = 11,295,399,731.22 : x
  2. Step 2: Convert to fraction form
    20,810,848,474.26/28,718,898,193.35 = 11,295,399,731.22/x
  3. Step 3: Cross multiply
    20,810,848,474.26x = 28,718,898,193.35 × 11,295,399,731.22
  4. Step 4: Simplify right side
    20,810,848,474.26x = 324,391,434,934,100,099,072
  5. Step 5: Solve for x
    x = 324,391,434,934,100,099,072/20,810,848,474.26
  6. Step 6: Final answer
    x = 15,587,612,169.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.