Home / 13,471,179.14-20,219,543.70-8,338,081.86

Finding the Fourth Proportional to 13,471,179.14, 20,219,543.70 and 8,338,081.86

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Solution

The fourth proportional to 13,471,179.14, 20,219,543.70 and 8,338,081.86 is: 12,515,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,179.14 : 20,219,543.70 = 8,338,081.86 : x
  2. Step 2: Convert to fraction form
    13,471,179.14/20,219,543.70 = 8,338,081.86/x
  3. Step 3: Cross multiply
    13,471,179.14x = 20,219,543.70 × 8,338,081.86
  4. Step 4: Simplify right side
    13,471,179.14x = 168,592,210,542,447.28
  5. Step 5: Solve for x
    x = 168,592,210,542,447.28/13,471,179.14
  6. Step 6: Final answer
    x = 12,515,029.97

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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.