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Finding the Fourth Proportional to 9,197,074.82, 13,797,749.17 and 3,131,859.18

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Solution

The fourth proportional to 9,197,074.82, 13,797,749.17 and 3,131,859.18 is: 4,698,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197,074.82 : 13,797,749.17 = 3,131,859.18 : x
  2. Step 2: Convert to fraction form
    9,197,074.82/13,797,749.17 = 3,131,859.18/x
  3. Step 3: Cross multiply
    9,197,074.82x = 13,797,749.17 × 3,131,859.18
  4. Step 4: Simplify right side
    9,197,074.82x = 43,212,607,375,042.53
  5. Step 5: Solve for x
    x = 43,212,607,375,042.53/9,197,074.82
  6. Step 6: Final answer
    x = 4,698,516.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.