Home / 15,143,107.24-20,897,379.84-8,267,589.10

Finding the Fourth Proportional to 15,143,107.24, 20,897,379.84 and 8,267,589.10

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Solution

The fourth proportional to 15,143,107.24, 20,897,379.84 and 8,267,589.10 is: 11,409,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,107.24 : 20,897,379.84 = 8,267,589.10 : x
  2. Step 2: Convert to fraction form
    15,143,107.24/20,897,379.84 = 8,267,589.10/x
  3. Step 3: Cross multiply
    15,143,107.24x = 20,897,379.84 × 8,267,589.10
  4. Step 4: Simplify right side
    15,143,107.24x = 172,770,949,783,743.75
  5. Step 5: Solve for x
    x = 172,770,949,783,743.75/15,143,107.24
  6. Step 6: Final answer
    x = 11,409,213.91

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1.5x scale

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.