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Finding the Fourth Proportional to 16,354,580.21, 22,569,469.95 and 9,012,676.78

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Solution

The fourth proportional to 16,354,580.21, 22,569,469.95 and 9,012,676.78 is: 12,437,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,354,580.21 : 22,569,469.95 = 9,012,676.78 : x
  2. Step 2: Convert to fraction form
    16,354,580.21/22,569,469.95 = 9,012,676.78/x
  3. Step 3: Cross multiply
    16,354,580.21x = 22,569,469.95 × 9,012,676.78
  4. Step 4: Simplify right side
    16,354,580.21x = 203,411,337,755,272.75
  5. Step 5: Solve for x
    x = 203,411,337,755,272.75/16,354,580.21
  6. Step 6: Final answer
    x = 12,437,576.21

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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.