Home / 20,959,701.82-28,924,092.22-11,792,322.70

Finding the Fourth Proportional to 20,959,701.82, 28,924,092.22 and 11,792,322.70

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Solution

The fourth proportional to 20,959,701.82, 28,924,092.22 and 11,792,322.70 is: 16,273,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,701.82 : 28,924,092.22 = 11,792,322.70 : x
  2. Step 2: Convert to fraction form
    20,959,701.82/28,924,092.22 = 11,792,322.70/x
  3. Step 3: Cross multiply
    20,959,701.82x = 28,924,092.22 × 11,792,322.70
  4. Step 4: Simplify right side
    20,959,701.82x = 341,082,229,262,799.38
  5. Step 5: Solve for x
    x = 341,082,229,262,799.38/20,959,701.82
  6. Step 6: Final answer
    x = 16,273,238.63

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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.