Home / 9,479,540-13,081,773.84-5,187,188

Finding the Fourth Proportional to 9,479,540, 13,081,773.84 and 5,187,188

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Solution

The fourth proportional to 9,479,540, 13,081,773.84 and 5,187,188 is: 7,158,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,540 : 13,081,773.84 = 5,187,188 : x
  2. Step 2: Convert to fraction form
    9,479,540/13,081,773.84 = 5,187,188/x
  3. Step 3: Cross multiply
    9,479,540x = 13,081,773.84 × 5,187,188
  4. Step 4: Simplify right side
    9,479,540x = 67,857,620,281,561.92
  5. Step 5: Solve for x
    x = 67,857,620,281,561.92/9,479,540
  6. Step 6: Final answer
    x = 7,158,324.17

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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.