Home / 12,198,606.35-18,303,494.68-5,284,199.91

Finding the Fourth Proportional to 12,198,606.35, 18,303,494.68 and 5,284,199.91

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Solution

The fourth proportional to 12,198,606.35, 18,303,494.68 and 5,284,199.91 is: 7,928,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,606.35 : 18,303,494.68 = 5,284,199.91 : x
  2. Step 2: Convert to fraction form
    12,198,606.35/18,303,494.68 = 5,284,199.91/x
  3. Step 3: Cross multiply
    12,198,606.35x = 18,303,494.68 × 5,284,199.91
  4. Step 4: Simplify right side
    12,198,606.35x = 96,719,324,940,741.48
  5. Step 5: Solve for x
    x = 96,719,324,940,741.48/12,198,606.35
  6. Step 6: Final answer
    x = 7,928,719.25

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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.