Home / 20,196,125.73-30,257,654.49-9,275,450.58

Finding the Fourth Proportional to 20,196,125.73, 30,257,654.49 and 9,275,450.58

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Solution

The fourth proportional to 20,196,125.73, 30,257,654.49 and 9,275,450.58 is: 13,896,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,125.73 : 30,257,654.49 = 9,275,450.58 : x
  2. Step 2: Convert to fraction form
    20,196,125.73/30,257,654.49 = 9,275,450.58/x
  3. Step 3: Cross multiply
    20,196,125.73x = 30,257,654.49 × 9,275,450.58
  4. Step 4: Simplify right side
    20,196,125.73x = 280,653,378,888,710.09
  5. Step 5: Solve for x
    x = 280,653,378,888,710.09/20,196,125.73
  6. Step 6: Final answer
    x = 13,896,396.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.