Home / 28,062,428.40-42,093,642.60-15,969,193.20

Finding the Fourth Proportional to 28,062,428.40, 42,093,642.60 and 15,969,193.20

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Solution

The fourth proportional to 28,062,428.40, 42,093,642.60 and 15,969,193.20 is: 23,953,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062,428.40 : 42,093,642.60 = 15,969,193.20 : x
  2. Step 2: Convert to fraction form
    28,062,428.40/42,093,642.60 = 15,969,193.20/x
  3. Step 3: Cross multiply
    28,062,428.40x = 42,093,642.60 × 15,969,193.20
  4. Step 4: Simplify right side
    28,062,428.40x = 672,201,511,171,150.25
  5. Step 5: Solve for x
    x = 672,201,511,171,150.25/28,062,428.40
  6. Step 6: Final answer
    x = 23,953,789.80

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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.