Home / 20,561,247.36-28,373,807.52-11,394,743.04

Finding the Fourth Proportional to 20,561,247.36, 28,373,807.52 and 11,394,743.04

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Solution

The fourth proportional to 20,561,247.36, 28,373,807.52 and 11,394,743.04 is: 15,724,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,561,247.36 : 28,373,807.52 = 11,394,743.04 : x
  2. Step 2: Convert to fraction form
    20,561,247.36/28,373,807.52 = 11,394,743.04/x
  3. Step 3: Cross multiply
    20,561,247.36x = 28,373,807.52 × 11,394,743.04
  4. Step 4: Simplify right side
    20,561,247.36x = 323,312,245,756,819.62
  5. Step 5: Solve for x
    x = 323,312,245,756,819.62/20,561,247.36
  6. Step 6: Final answer
    x = 15,724,349.80

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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.