Home / 9,965,115.45-13,751,859.24-5,381,436.42

Finding the Fourth Proportional to 9,965,115.45, 13,751,859.24 and 5,381,436.42

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Solution

The fourth proportional to 9,965,115.45, 13,751,859.24 and 5,381,436.42 is: 7,426,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,115.45 : 13,751,859.24 = 5,381,436.42 : x
  2. Step 2: Convert to fraction form
    9,965,115.45/13,751,859.24 = 5,381,436.42/x
  3. Step 3: Cross multiply
    9,965,115.45x = 13,751,859.24 × 5,381,436.42
  4. Step 4: Simplify right side
    9,965,115.45x = 74,004,756,156,849.52
  5. Step 5: Solve for x
    x = 74,004,756,156,849.52/9,965,115.45
  6. Step 6: Final answer
    x = 7,426,382.22

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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.