Home / 12,396,416.36-18,595,693.74-3,420,968.36

Finding the Fourth Proportional to 12,396,416.36, 18,595,693.74 and 3,420,968.36

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Solution

The fourth proportional to 12,396,416.36, 18,595,693.74 and 3,420,968.36 is: 5,131,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,416.36 : 18,595,693.74 = 3,420,968.36 : x
  2. Step 2: Convert to fraction form
    12,396,416.36/18,595,693.74 = 3,420,968.36/x
  3. Step 3: Cross multiply
    12,396,416.36x = 18,595,693.74 × 3,420,968.36
  4. Step 4: Simplify right side
    12,396,416.36x = 63,615,279,916,790.05
  5. Step 5: Solve for x
    x = 63,615,279,916,790.05/12,396,416.36
  6. Step 6: Final answer
    x = 5,131,747.60

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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.