Home / 16,359,749.70-22,568,157.66-12,485,544.78

Finding the Fourth Proportional to 16,359,749.70, 22,568,157.66 and 12,485,544.78

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Solution

The fourth proportional to 16,359,749.70, 22,568,157.66 and 12,485,544.78 is: 17,223,719.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,359,749.70 : 22,568,157.66 = 12,485,544.78 : x
  2. Step 2: Convert to fraction form
    16,359,749.70/22,568,157.66 = 12,485,544.78/x
  3. Step 3: Cross multiply
    16,359,749.70x = 22,568,157.66 × 12,485,544.78
  4. Step 4: Simplify right side
    16,359,749.70x = 281,775,743,066,030
  5. Step 5: Solve for x
    x = 281,775,743,066,030/16,359,749.70
  6. Step 6: Final answer
    x = 17,223,719.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.