Home / 13,486,544.30-20,229,816.45-7,723,361.90

Finding the Fourth Proportional to 13,486,544.30, 20,229,816.45 and 7,723,361.90

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Solution

The fourth proportional to 13,486,544.30, 20,229,816.45 and 7,723,361.90 is: 11,585,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,544.30 : 20,229,816.45 = 7,723,361.90 : x
  2. Step 2: Convert to fraction form
    13,486,544.30/20,229,816.45 = 7,723,361.90/x
  3. Step 3: Cross multiply
    13,486,544.30x = 20,229,816.45 × 7,723,361.90
  4. Step 4: Simplify right side
    13,486,544.30x = 156,242,193,613,923.25
  5. Step 5: Solve for x
    x = 156,242,193,613,923.25/13,486,544.30
  6. Step 6: Final answer
    x = 11,585,042.85

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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.