Home / 12,464,339.60-18,693,010.20-3,947,286.80

Finding the Fourth Proportional to 12,464,339.60, 18,693,010.20 and 3,947,286.80

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Solution

The fourth proportional to 12,464,339.60, 18,693,010.20 and 3,947,286.80 is: 5,919,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464,339.60 : 18,693,010.20 = 3,947,286.80 : x
  2. Step 2: Convert to fraction form
    12,464,339.60/18,693,010.20 = 3,947,286.80/x
  3. Step 3: Cross multiply
    12,464,339.60x = 18,693,010.20 × 3,947,286.80
  4. Step 4: Simplify right side
    12,464,339.60x = 73,786,672,414,725.36
  5. Step 5: Solve for x
    x = 73,786,672,414,725.36/12,464,339.60
  6. Step 6: Final answer
    x = 5,919,822.05

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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.