Home / 25,760,659.56-38,644,815.21-8,485,669.57

Finding the Fourth Proportional to 25,760,659.56, 38,644,815.21 and 8,485,669.57

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Solution

The fourth proportional to 25,760,659.56, 38,644,815.21 and 8,485,669.57 is: 12,729,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760,659.56 : 38,644,815.21 = 8,485,669.57 : x
  2. Step 2: Convert to fraction form
    25,760,659.56/38,644,815.21 = 8,485,669.57/x
  3. Step 3: Cross multiply
    25,760,659.56x = 38,644,815.21 × 8,485,669.57
  4. Step 4: Simplify right side
    25,760,659.56x = 327,927,132,465,770.19
  5. Step 5: Solve for x
    x = 327,927,132,465,770.19/25,760,659.56
  6. Step 6: Final answer
    x = 12,729,764.61

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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.