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Finding the Fourth Proportional to 19,895,242.82, 29,842,861.68 and 5,518,310.54

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Solution

The fourth proportional to 19,895,242.82, 29,842,861.68 and 5,518,310.54 is: 8,277,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895,242.82 : 29,842,861.68 = 5,518,310.54 : x
  2. Step 2: Convert to fraction form
    19,895,242.82/29,842,861.68 = 5,518,310.54/x
  3. Step 3: Cross multiply
    19,895,242.82x = 29,842,861.68 × 5,518,310.54
  4. Step 4: Simplify right side
    19,895,242.82x = 164,682,178,003,291.81
  5. Step 5: Solve for x
    x = 164,682,178,003,291.81/19,895,242.82
  6. Step 6: Final answer
    x = 8,277,465.10

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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.