Home / 14,716,976.76-20,309,428.08-8,192,147.72

Finding the Fourth Proportional to 14,716,976.76, 20,309,428.08 and 8,192,147.72

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Solution

The fourth proportional to 14,716,976.76, 20,309,428.08 and 8,192,147.72 is: 11,305,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716,976.76 : 20,309,428.08 = 8,192,147.72 : x
  2. Step 2: Convert to fraction form
    14,716,976.76/20,309,428.08 = 8,192,147.72/x
  3. Step 3: Cross multiply
    14,716,976.76x = 20,309,428.08 × 8,192,147.72
  4. Step 4: Simplify right side
    14,716,976.76x = 166,377,834,838,528.81
  5. Step 5: Solve for x
    x = 166,377,834,838,528.81/14,716,976.76
  6. Step 6: Final answer
    x = 11,305,163.93

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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.