Home / 13,991,727.60-20,940,188.18-8,603,790.66

Finding the Fourth Proportional to 13,991,727.60, 20,940,188.18 and 8,603,790.66

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Solution

The fourth proportional to 13,991,727.60, 20,940,188.18 and 8,603,790.66 is: 12,876,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,727.60 : 20,940,188.18 = 8,603,790.66 : x
  2. Step 2: Convert to fraction form
    13,991,727.60/20,940,188.18 = 8,603,790.66/x
  3. Step 3: Cross multiply
    13,991,727.60x = 20,940,188.18 × 8,603,790.66
  4. Step 4: Simplify right side
    13,991,727.60x = 180,164,995,438,707.47
  5. Step 5: Solve for x
    x = 180,164,995,438,707.47/13,991,727.60
  6. Step 6: Final answer
    x = 12,876,536.81

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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.