Home / 20,617,627.52-28,450,632.00-11,324,717.33

Finding the Fourth Proportional to 20,617,627.52, 28,450,632.00 and 11,324,717.33

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Solution

The fourth proportional to 20,617,627.52, 28,450,632.00 and 11,324,717.33 is: 15,627,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,627.52 : 28,450,632.00 = 11,324,717.33 : x
  2. Step 2: Convert to fraction form
    20,617,627.52/28,450,632.00 = 11,324,717.33/x
  3. Step 3: Cross multiply
    20,617,627.52x = 28,450,632.00 × 11,324,717.33
  4. Step 4: Simplify right side
    20,617,627.52x = 322,195,365,217,037.81
  5. Step 5: Solve for x
    x = 322,195,365,217,037.81/20,617,627.52
  6. Step 6: Final answer
    x = 15,627,179.46

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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.