Home / 14,347,747.62-19,806,960.40-9,940,814.64

Finding the Fourth Proportional to 14,347,747.62, 19,806,960.40 and 9,940,814.64

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Solution

The fourth proportional to 14,347,747.62, 19,806,960.40 and 9,940,814.64 is: 13,723,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,747.62 : 19,806,960.40 = 9,940,814.64 : x
  2. Step 2: Convert to fraction form
    14,347,747.62/19,806,960.40 = 9,940,814.64/x
  3. Step 3: Cross multiply
    14,347,747.62x = 19,806,960.40 × 9,940,814.64
  4. Step 4: Simplify right side
    14,347,747.62x = 196,897,321,918,220.25
  5. Step 5: Solve for x
    x = 196,897,321,918,220.25/14,347,747.62
  6. Step 6: Final answer
    x = 13,723,221.73

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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.