Home / 28,403,629.48-42,511,568.40-25,851,251.12

Finding the Fourth Proportional to 28,403,629.48, 42,511,568.40 and 25,851,251.12

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Solution

The fourth proportional to 28,403,629.48, 42,511,568.40 and 25,851,251.12 is: 38,691,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,629.48 : 42,511,568.40 = 25,851,251.12 : x
  2. Step 2: Convert to fraction form
    28,403,629.48/42,511,568.40 = 25,851,251.12/x
  3. Step 3: Cross multiply
    28,403,629.48x = 42,511,568.40 × 25,851,251.12
  4. Step 4: Simplify right side
    28,403,629.48x = 1,098,977,230,213,456.62
  5. Step 5: Solve for x
    x = 1,098,977,230,213,456.62/28,403,629.48
  6. Step 6: Final answer
    x = 38,691,436.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.