Home / 20,840,735.58-28,774,249.83-13,012,166.58

Finding the Fourth Proportional to 20,840,735.58, 28,774,249.83 and 13,012,166.58

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Solution

The fourth proportional to 20,840,735.58, 28,774,249.83 and 13,012,166.58 is: 17,965,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840,735.58 : 28,774,249.83 = 13,012,166.58 : x
  2. Step 2: Convert to fraction form
    20,840,735.58/28,774,249.83 = 13,012,166.58/x
  3. Step 3: Cross multiply
    20,840,735.58x = 28,774,249.83 × 13,012,166.58
  4. Step 4: Simplify right side
    20,840,735.58x = 374,415,332,002,496.69
  5. Step 5: Solve for x
    x = 374,415,332,002,496.69/20,840,735.58
  6. Step 6: Final answer
    x = 17,965,552.63

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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.