Home / 20,736,858.38-28,618,487.66-11,446,273.24

Finding the Fourth Proportional to 20,736,858.38, 28,618,487.66 and 11,446,273.24

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Solution

The fourth proportional to 20,736,858.38, 28,618,487.66 and 11,446,273.24 is: 15,796,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,858.38 : 28,618,487.66 = 11,446,273.24 : x
  2. Step 2: Convert to fraction form
    20,736,858.38/28,618,487.66 = 11,446,273.24/x
  3. Step 3: Cross multiply
    20,736,858.38x = 28,618,487.66 × 11,446,273.24
  4. Step 4: Simplify right side
    20,736,858.38x = 327,575,029,471,928.25
  5. Step 5: Solve for x
    x = 327,575,029,471,928.25/20,736,858.38
  6. Step 6: Final answer
    x = 15,796,752.98

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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.