Home / 9,215,049.38-12,719,297.79-5,348,816.11

Finding the Fourth Proportional to 9,215,049.38, 12,719,297.79 and 5,348,816.11

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Solution

The fourth proportional to 9,215,049.38, 12,719,297.79 and 5,348,816.11 is: 7,382,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,049.38 : 12,719,297.79 = 5,348,816.11 : x
  2. Step 2: Convert to fraction form
    9,215,049.38/12,719,297.79 = 5,348,816.11/x
  3. Step 3: Cross multiply
    9,215,049.38x = 12,719,297.79 × 5,348,816.11
  4. Step 4: Simplify right side
    9,215,049.38x = 68,033,184,895,241.15
  5. Step 5: Solve for x
    x = 68,033,184,895,241.15/9,215,049.38
  6. Step 6: Final answer
    x = 7,382,834.54

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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.