Home / 15,601,540.82-21,530,009.21-8,726,022.86

Finding the Fourth Proportional to 15,601,540.82, 21,530,009.21 and 8,726,022.86

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Solution

The fourth proportional to 15,601,540.82, 21,530,009.21 and 8,726,022.86 is: 12,041,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601,540.82 : 21,530,009.21 = 8,726,022.86 : x
  2. Step 2: Convert to fraction form
    15,601,540.82/21,530,009.21 = 8,726,022.86/x
  3. Step 3: Cross multiply
    15,601,540.82x = 21,530,009.21 × 8,726,022.86
  4. Step 4: Simplify right side
    15,601,540.82x = 187,871,352,391,190.38
  5. Step 5: Solve for x
    x = 187,871,352,391,190.38/15,601,540.82
  6. Step 6: Final answer
    x = 12,041,846.03

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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.