Home / 13,726,835.80-18,935,163.18-8,561,229.24

Finding the Fourth Proportional to 13,726,835.80, 18,935,163.18 and 8,561,229.24

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Solution

The fourth proportional to 13,726,835.80, 18,935,163.18 and 8,561,229.24 is: 11,809,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,835.80 : 18,935,163.18 = 8,561,229.24 : x
  2. Step 2: Convert to fraction form
    13,726,835.80/18,935,163.18 = 8,561,229.24/x
  3. Step 3: Cross multiply
    13,726,835.80x = 18,935,163.18 × 8,561,229.24
  4. Step 4: Simplify right side
    13,726,835.80x = 162,108,272,680,787.38
  5. Step 5: Solve for x
    x = 162,108,272,680,787.38/13,726,835.80
  6. Step 6: Final answer
    x = 11,809,587.81

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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.