Home / 20,823,273.38-28,735,917.55-11,999,482.90

Finding the Fourth Proportional to 20,823,273.38, 28,735,917.55 and 11,999,482.90

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Solution

The fourth proportional to 20,823,273.38, 28,735,917.55 and 11,999,482.90 is: 16,559,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,273.38 : 28,735,917.55 = 11,999,482.90 : x
  2. Step 2: Convert to fraction form
    20,823,273.38/28,735,917.55 = 11,999,482.90/x
  3. Step 3: Cross multiply
    20,823,273.38x = 28,735,917.55 × 11,999,482.90
  4. Step 4: Simplify right side
    20,823,273.38x = 344,816,151,155,196.44
  5. Step 5: Solve for x
    x = 344,816,151,155,196.44/20,823,273.38
  6. Step 6: Final answer
    x = 16,559,171.31

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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.