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Finding the Fourth Proportional to 16,607,689.82, 22,918,626.22 and 9,265,524.10

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Solution

The fourth proportional to 16,607,689.82, 22,918,626.22 and 9,265,524.10 is: 12,786,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607,689.82 : 22,918,626.22 = 9,265,524.10 : x
  2. Step 2: Convert to fraction form
    16,607,689.82/22,918,626.22 = 9,265,524.10/x
  3. Step 3: Cross multiply
    16,607,689.82x = 22,918,626.22 × 9,265,524.10
  4. Step 4: Simplify right side
    16,607,689.82x = 212,353,083,580,301.88
  5. Step 5: Solve for x
    x = 212,353,083,580,301.88/16,607,689.82
  6. Step 6: Final answer
    x = 12,786,431.22

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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.