Home / 12,199,511.62-18,293,951.80-4,110,979.60

Finding the Fourth Proportional to 12,199,511.62, 18,293,951.80 and 4,110,979.60

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Solution

The fourth proportional to 12,199,511.62, 18,293,951.80 and 4,110,979.60 is: 6,164,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,511.62 : 18,293,951.80 = 4,110,979.60 : x
  2. Step 2: Convert to fraction form
    12,199,511.62/18,293,951.80 = 4,110,979.60/x
  3. Step 3: Cross multiply
    12,199,511.62x = 18,293,951.80 × 4,110,979.60
  4. Step 4: Simplify right side
    12,199,511.62x = 75,206,062,653,183.28
  5. Step 5: Solve for x
    x = 75,206,062,653,183.28/12,199,511.62
  6. Step 6: Final answer
    x = 6,164,678.14

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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.