Home / 13,321,734.14-18,384,438.76-8,164,099.64

Finding the Fourth Proportional to 13,321,734.14, 18,384,438.76 and 8,164,099.64

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Solution

The fourth proportional to 13,321,734.14, 18,384,438.76 and 8,164,099.64 is: 11,266,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,734.14 : 18,384,438.76 = 8,164,099.64 : x
  2. Step 2: Convert to fraction form
    13,321,734.14/18,384,438.76 = 8,164,099.64/x
  3. Step 3: Cross multiply
    13,321,734.14x = 18,384,438.76 × 8,164,099.64
  4. Step 4: Simplify right side
    13,321,734.14x = 150,092,389,749,785.59
  5. Step 5: Solve for x
    x = 150,092,389,749,785.59/13,321,734.14
  6. Step 6: Final answer
    x = 11,266,730.61

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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.