Home / 15,205,091.58-20,977,767.99-11,530,179.90

Finding the Fourth Proportional to 15,205,091.58, 20,977,767.99 and 11,530,179.90

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Solution

The fourth proportional to 15,205,091.58, 20,977,767.99 and 11,530,179.90 is: 15,907,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,091.58 : 20,977,767.99 = 11,530,179.90 : x
  2. Step 2: Convert to fraction form
    15,205,091.58/20,977,767.99 = 11,530,179.90/x
  3. Step 3: Cross multiply
    15,205,091.58x = 20,977,767.99 × 11,530,179.90
  4. Step 4: Simplify right side
    15,205,091.58x = 241,877,438,825,161.38
  5. Step 5: Solve for x
    x = 241,877,438,825,161.38/15,205,091.58
  6. Step 6: Final answer
    x = 15,907,660.77

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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.