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Finding the Fourth Proportional to 16,262,978.40, 22,443,613.92 and 9,735,344.73

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Solution

The fourth proportional to 16,262,978.40, 22,443,613.92 and 9,735,344.73 is: 13,435,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,262,978.40 : 22,443,613.92 = 9,735,344.73 : x
  2. Step 2: Convert to fraction form
    16,262,978.40/22,443,613.92 = 9,735,344.73/x
  3. Step 3: Cross multiply
    16,262,978.40x = 22,443,613.92 × 9,735,344.73
  4. Step 4: Simplify right side
    16,262,978.40x = 218,496,318,498,226.66
  5. Step 5: Solve for x
    x = 218,496,318,498,226.66/16,262,978.40
  6. Step 6: Final answer
    x = 13,435,196.99

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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.