Home / 20,627,890.39-28,467,374.49-11,460,533.14

Finding the Fourth Proportional to 20,627,890.39, 28,467,374.49 and 11,460,533.14

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Solution

The fourth proportional to 20,627,890.39, 28,467,374.49 and 11,460,533.14 is: 15,816,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,890.39 : 28,467,374.49 = 11,460,533.14 : x
  2. Step 2: Convert to fraction form
    20,627,890.39/28,467,374.49 = 11,460,533.14/x
  3. Step 3: Cross multiply
    20,627,890.39x = 28,467,374.49 × 11,460,533.14
  4. Step 4: Simplify right side
    20,627,890.39x = 326,251,288,751,435.62
  5. Step 5: Solve for x
    x = 326,251,288,751,435.62/20,627,890.39
  6. Step 6: Final answer
    x = 15,816,027.84

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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.