Home / 9,449,138.28-13,040,234.84-5,320,589.16

Finding the Fourth Proportional to 9,449,138.28, 13,040,234.84 and 5,320,589.16

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Solution

The fourth proportional to 9,449,138.28, 13,040,234.84 and 5,320,589.16 is: 7,342,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449,138.28 : 13,040,234.84 = 5,320,589.16 : x
  2. Step 2: Convert to fraction form
    9,449,138.28/13,040,234.84 = 5,320,589.16/x
  3. Step 3: Cross multiply
    9,449,138.28x = 13,040,234.84 × 5,320,589.16
  4. Step 4: Simplify right side
    9,449,138.28x = 69,381,732,133,558.34
  5. Step 5: Solve for x
    x = 69,381,732,133,558.34/9,449,138.28
  6. Step 6: Final answer
    x = 7,342,651.79

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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.