Home / 21,319,080.73-29,420,419.46-11,529,524.71

Finding the Fourth Proportional to 21,319,080.73, 29,420,419.46 and 11,529,524.71

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Solution

The fourth proportional to 21,319,080.73, 29,420,419.46 and 11,529,524.71 is: 15,910,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,080.73 : 29,420,419.46 = 11,529,524.71 : x
  2. Step 2: Convert to fraction form
    21,319,080.73/29,420,419.46 = 11,529,524.71/x
  3. Step 3: Cross multiply
    21,319,080.73x = 29,420,419.46 × 11,529,524.71
  4. Step 4: Simplify right side
    21,319,080.73x = 339,203,453,121,762.75
  5. Step 5: Solve for x
    x = 339,203,453,121,762.75/21,319,080.73
  6. Step 6: Final answer
    x = 15,910,791.72

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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.