Home / 28,469,147.90-42,703,721.85-27,146,450.30

Finding the Fourth Proportional to 28,469,147.90, 42,703,721.85 and 27,146,450.30

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Solution

The fourth proportional to 28,469,147.90, 42,703,721.85 and 27,146,450.30 is: 40,719,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,147.90 : 42,703,721.85 = 27,146,450.30 : x
  2. Step 2: Convert to fraction form
    28,469,147.90/42,703,721.85 = 27,146,450.30/x
  3. Step 3: Cross multiply
    28,469,147.90x = 42,703,721.85 × 27,146,450.30
  4. Step 4: Simplify right side
    28,469,147.90x = 1,159,254,462,826,049.25
  5. Step 5: Solve for x
    x = 1,159,254,462,826,049.25/28,469,147.90
  6. Step 6: Final answer
    x = 40,719,675.45

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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.