Home / 28,453,432.44-42,680,179.46-13,317,992.76

Finding the Fourth Proportional to 28,453,432.44, 42,680,179.46 and 13,317,992.76

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Solution

The fourth proportional to 28,453,432.44, 42,680,179.46 and 13,317,992.76 is: 19,977,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,432.44 : 42,680,179.46 = 13,317,992.76 : x
  2. Step 2: Convert to fraction form
    28,453,432.44/42,680,179.46 = 13,317,992.76/x
  3. Step 3: Cross multiply
    28,453,432.44x = 42,680,179.46 × 13,317,992.76
  4. Step 4: Simplify right side
    28,453,432.44x = 568,414,321,043,780.75
  5. Step 5: Solve for x
    x = 568,414,321,043,780.75/28,453,432.44
  6. Step 6: Final answer
    x = 19,977,003.56

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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.