Home / 20,617,057.71-28,452,030.84-11,324,822.38

Finding the Fourth Proportional to 20,617,057.71, 28,452,030.84 and 11,324,822.38

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Solution

The fourth proportional to 20,617,057.71, 28,452,030.84 and 11,324,822.38 is: 15,628,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,057.71 : 28,452,030.84 = 11,324,822.38 : x
  2. Step 2: Convert to fraction form
    20,617,057.71/28,452,030.84 = 11,324,822.38/x
  3. Step 3: Cross multiply
    20,617,057.71x = 28,452,030.84 × 11,324,822.38
  4. Step 4: Simplify right side
    20,617,057.71x = 322,214,195,542,152.12
  5. Step 5: Solve for x
    x = 322,214,195,542,152.12/20,617,057.71
  6. Step 6: Final answer
    x = 15,628,524.69

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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.