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Finding the Fourth Proportional to 12,101,307, 16,699,803.66 and 6,668,799

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Solution

The fourth proportional to 12,101,307, 16,699,803.66 and 6,668,799 is: 9,202,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,307 : 16,699,803.66 = 6,668,799 : x
  2. Step 2: Convert to fraction form
    12,101,307/16,699,803.66 = 6,668,799/x
  3. Step 3: Cross multiply
    12,101,307x = 16,699,803.66 × 6,668,799
  4. Step 4: Simplify right side
    12,101,307x = 111,367,633,948,004.34
  5. Step 5: Solve for x
    x = 111,367,633,948,004.34/12,101,307
  6. Step 6: Final answer
    x = 9,202,942.62

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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.