Home / 30,309,828.62-45,493,486.38-18,760,359.85

Finding the Fourth Proportional to 30,309,828.62, 45,493,486.38 and 18,760,359.85

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Solution

The fourth proportional to 30,309,828.62, 45,493,486.38 and 18,760,359.85 is: 28,158,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309,828.62 : 45,493,486.38 = 18,760,359.85 : x
  2. Step 2: Convert to fraction form
    30,309,828.62/45,493,486.38 = 18,760,359.85/x
  3. Step 3: Cross multiply
    30,309,828.62x = 45,493,486.38 × 18,760,359.85
  4. Step 4: Simplify right side
    30,309,828.62x = 853,474,175,206,140.12
  5. Step 5: Solve for x
    x = 853,474,175,206,140.12/30,309,828.62
  6. Step 6: Final answer
    x = 28,158,330.62

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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.