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Finding the Fourth Proportional to 18,452,837.10, 27,679,255.65 and 10,768,593.90

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Solution

The fourth proportional to 18,452,837.10, 27,679,255.65 and 10,768,593.90 is: 16,152,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,837.10 : 27,679,255.65 = 10,768,593.90 : x
  2. Step 2: Convert to fraction form
    18,452,837.10/27,679,255.65 = 10,768,593.90/x
  3. Step 3: Cross multiply
    18,452,837.10x = 27,679,255.65 × 10,768,593.90
  4. Step 4: Simplify right side
    18,452,837.10x = 298,066,663,549,130.50
  5. Step 5: Solve for x
    x = 298,066,663,549,130.50/18,452,837.10
  6. Step 6: Final answer
    x = 16,152,890.85

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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.