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Finding the Fourth Proportional to 8,168,503.55, 12,254,086.28 and 2,411,819.09

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Solution

The fourth proportional to 8,168,503.55, 12,254,086.28 and 2,411,819.09 is: 3,618,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,503.55 : 12,254,086.28 = 2,411,819.09 : x
  2. Step 2: Convert to fraction form
    8,168,503.55/12,254,086.28 = 2,411,819.09/x
  3. Step 3: Cross multiply
    8,168,503.55x = 12,254,086.28 × 2,411,819.09
  4. Step 4: Simplify right side
    8,168,503.55x = 29,554,639,147,281.56
  5. Step 5: Solve for x
    x = 29,554,639,147,281.56/8,168,503.55
  6. Step 6: Final answer
    x = 3,618,121.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.