Home / 13,531,951.80-20,293,991.10-7,469,587.80

Finding the Fourth Proportional to 13,531,951.80, 20,293,991.10 and 7,469,587.80

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Solution

The fourth proportional to 13,531,951.80, 20,293,991.10 and 7,469,587.80 is: 11,202,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,951.80 : 20,293,991.10 = 7,469,587.80 : x
  2. Step 2: Convert to fraction form
    13,531,951.80/20,293,991.10 = 7,469,587.80/x
  3. Step 3: Cross multiply
    13,531,951.80x = 20,293,991.10 × 7,469,587.80
  4. Step 4: Simplify right side
    13,531,951.80x = 151,587,748,333,868.59
  5. Step 5: Solve for x
    x = 151,587,748,333,868.59/13,531,951.80
  6. Step 6: Final answer
    x = 11,202,208.71

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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.