Home / 8,191,636.64-12,292,939.92-3,399,330.72

Finding the Fourth Proportional to 8,191,636.64, 12,292,939.92 and 3,399,330.72

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Solution

The fourth proportional to 8,191,636.64, 12,292,939.92 and 3,399,330.72 is: 5,101,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,636.64 : 12,292,939.92 = 3,399,330.72 : x
  2. Step 2: Convert to fraction form
    8,191,636.64/12,292,939.92 = 3,399,330.72/x
  3. Step 3: Cross multiply
    8,191,636.64x = 12,292,939.92 × 3,399,330.72
  4. Step 4: Simplify right side
    8,191,636.64x = 41,787,768,309,170.34
  5. Step 5: Solve for x
    x = 41,787,768,309,170.34/8,191,636.64
  6. Step 6: Final answer
    x = 5,101,272.21

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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.