Home / 28,464,796.78-42,699,819.96-9,295,654.30

Finding the Fourth Proportional to 28,464,796.78, 42,699,819.96 and 9,295,654.30

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Solution

The fourth proportional to 28,464,796.78, 42,699,819.96 and 9,295,654.30 is: 13,944,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464,796.78 : 42,699,819.96 = 9,295,654.30 : x
  2. Step 2: Convert to fraction form
    28,464,796.78/42,699,819.96 = 9,295,654.30/x
  3. Step 3: Cross multiply
    28,464,796.78x = 42,699,819.96 × 9,295,654.30
  4. Step 4: Simplify right side
    28,464,796.78x = 396,922,765,020,399.88
  5. Step 5: Solve for x
    x = 396,922,765,020,399.88/28,464,796.78
  6. Step 6: Final answer
    x = 13,944,338.62

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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.