Home / 20,324,302.22-28,046,811.39-11,503,564.22

Finding the Fourth Proportional to 20,324,302.22, 28,046,811.39 and 11,503,564.22

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Solution

The fourth proportional to 20,324,302.22, 28,046,811.39 and 11,503,564.22 is: 15,874,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,302.22 : 28,046,811.39 = 11,503,564.22 : x
  2. Step 2: Convert to fraction form
    20,324,302.22/28,046,811.39 = 11,503,564.22/x
  3. Step 3: Cross multiply
    20,324,302.22x = 28,046,811.39 × 11,503,564.22
  4. Step 4: Simplify right side
    20,324,302.22x = 322,638,295,991,092.50
  5. Step 5: Solve for x
    x = 322,638,295,991,092.50/20,324,302.22
  6. Step 6: Final answer
    x = 15,874,507.89

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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.