Home / 20,735,162.51-28,615,105.76-11,443,318.49

Finding the Fourth Proportional to 20,735,162.51, 28,615,105.76 and 11,443,318.49

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Solution

The fourth proportional to 20,735,162.51, 28,615,105.76 and 11,443,318.49 is: 15,792,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,162.51 : 28,615,105.76 = 11,443,318.49 : x
  2. Step 2: Convert to fraction form
    20,735,162.51/28,615,105.76 = 11,443,318.49/x
  3. Step 3: Cross multiply
    20,735,162.51x = 28,615,105.76 × 11,443,318.49
  4. Step 4: Simplify right side
    20,735,162.51x = 327,451,768,754,431.88
  5. Step 5: Solve for x
    x = 327,451,768,754,431.88/20,735,162.51
  6. Step 6: Final answer
    x = 15,792,100.43

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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.