Home / 15,182,452.23-20,951,262.99-8,658,181.50

Finding the Fourth Proportional to 15,182,452.23, 20,951,262.99 and 8,658,181.50

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Solution

The fourth proportional to 15,182,452.23, 20,951,262.99 and 8,658,181.50 is: 11,947,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,452.23 : 20,951,262.99 = 8,658,181.50 : x
  2. Step 2: Convert to fraction form
    15,182,452.23/20,951,262.99 = 8,658,181.50/x
  3. Step 3: Cross multiply
    15,182,452.23x = 20,951,262.99 × 8,658,181.50
  4. Step 4: Simplify right side
    15,182,452.23x = 181,399,837,621,652.66
  5. Step 5: Solve for x
    x = 181,399,837,621,652.66/15,182,452.23
  6. Step 6: Final answer
    x = 11,947,993.31

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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.