Home / 11,378,650.66-15,689,120.97-9,196,445.86

Finding the Fourth Proportional to 11,378,650.66, 15,689,120.97 and 9,196,445.86

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Solution

The fourth proportional to 11,378,650.66, 15,689,120.97 and 9,196,445.86 is: 12,680,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,650.66 : 15,689,120.97 = 9,196,445.86 : x
  2. Step 2: Convert to fraction form
    11,378,650.66/15,689,120.97 = 9,196,445.86/x
  3. Step 3: Cross multiply
    11,378,650.66x = 15,689,120.97 × 9,196,445.86
  4. Step 4: Simplify right side
    11,378,650.66x = 144,284,151,591,595.69
  5. Step 5: Solve for x
    x = 144,284,151,591,595.69/11,378,650.66
  6. Step 6: Final answer
    x = 12,680,251.46

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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.