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Finding the Fourth Proportional to 12,101,309, 16,699,806.42 and 6,668,801

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Solution

The fourth proportional to 12,101,309, 16,699,806.42 and 6,668,801 is: 9,202,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,309 : 16,699,806.42 = 6,668,801 : x
  2. Step 2: Convert to fraction form
    12,101,309/16,699,806.42 = 6,668,801/x
  3. Step 3: Cross multiply
    12,101,309x = 16,699,806.42 × 6,668,801
  4. Step 4: Simplify right side
    12,101,309x = 111,367,685,753,502.42
  5. Step 5: Solve for x
    x = 111,367,685,753,502.42/12,101,309
  6. Step 6: Final answer
    x = 9,202,945.38

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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.