Home / 30,797,110.31-42,497,105.02-18,404,736.57

Finding the Fourth Proportional to 30,797,110.31, 42,497,105.02 and 18,404,736.57

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Solution

The fourth proportional to 30,797,110.31, 42,497,105.02 and 18,404,736.57 is: 25,396,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797,110.31 : 42,497,105.02 = 18,404,736.57 : x
  2. Step 2: Convert to fraction form
    30,797,110.31/42,497,105.02 = 18,404,736.57/x
  3. Step 3: Cross multiply
    30,797,110.31x = 42,497,105.02 × 18,404,736.57
  4. Step 4: Simplify right side
    30,797,110.31x = 782,148,022,834,712.75
  5. Step 5: Solve for x
    x = 782,148,022,834,712.75/30,797,110.31
  6. Step 6: Final answer
    x = 25,396,799.09

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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.