Home / 12,183,345.40-18,268,019.70-3,662,404.60

Finding the Fourth Proportional to 12,183,345.40, 18,268,019.70 and 3,662,404.60

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Solution

The fourth proportional to 12,183,345.40, 18,268,019.70 and 3,662,404.60 is: 5,491,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,345.40 : 18,268,019.70 = 3,662,404.60 : x
  2. Step 2: Convert to fraction form
    12,183,345.40/18,268,019.70 = 3,662,404.60/x
  3. Step 3: Cross multiply
    12,183,345.40x = 18,268,019.70 × 3,662,404.60
  4. Step 4: Simplify right side
    12,183,345.40x = 66,904,879,382,170.62
  5. Step 5: Solve for x
    x = 66,904,879,382,170.62/12,183,345.40
  6. Step 6: Final answer
    x = 5,491,503.13

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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.