Home / 21,766,921.83-30,037,450.12-11,843,845.48

Finding the Fourth Proportional to 21,766,921.83, 30,037,450.12 and 11,843,845.48

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Solution

The fourth proportional to 21,766,921.83, 30,037,450.12 and 11,843,845.48 is: 16,344,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,921.83 : 30,037,450.12 = 11,843,845.48 : x
  2. Step 2: Convert to fraction form
    21,766,921.83/30,037,450.12 = 11,843,845.48/x
  3. Step 3: Cross multiply
    21,766,921.83x = 30,037,450.12 × 11,843,845.48
  4. Step 4: Simplify right side
    21,766,921.83x = 355,758,917,842,424.62
  5. Step 5: Solve for x
    x = 355,758,917,842,424.62/21,766,921.83
  6. Step 6: Final answer
    x = 16,344,015.96

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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.