Home / 13,438,019.32-20,145,092.82-5,238,771.64

Finding the Fourth Proportional to 13,438,019.32, 20,145,092.82 and 5,238,771.64

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Solution

The fourth proportional to 13,438,019.32, 20,145,092.82 and 5,238,771.64 is: 7,853,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,019.32 : 20,145,092.82 = 5,238,771.64 : x
  2. Step 2: Convert to fraction form
    13,438,019.32/20,145,092.82 = 5,238,771.64/x
  3. Step 3: Cross multiply
    13,438,019.32x = 20,145,092.82 × 5,238,771.64
  4. Step 4: Simplify right side
    13,438,019.32x = 105,535,540,950,583.62
  5. Step 5: Solve for x
    x = 105,535,540,950,583.62/13,438,019.32
  6. Step 6: Final answer
    x = 7,853,504.18

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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.