Home / 20,823,018.88-28,735,565.88-11,999,228.44

Finding the Fourth Proportional to 20,823,018.88, 28,735,565.88 and 11,999,228.44

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Solution

The fourth proportional to 20,823,018.88, 28,735,565.88 and 11,999,228.44 is: 16,558,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,018.88 : 28,735,565.88 = 11,999,228.44 : x
  2. Step 2: Convert to fraction form
    20,823,018.88/28,735,565.88 = 11,999,228.44/x
  3. Step 3: Cross multiply
    20,823,018.88x = 28,735,565.88 × 11,999,228.44
  4. Step 4: Simplify right side
    20,823,018.88x = 344,804,619,346,789.62
  5. Step 5: Solve for x
    x = 344,804,619,346,789.62/20,823,018.88
  6. Step 6: Final answer
    x = 16,558,819.90

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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.