Home / 43,489,119.78-65,234,072.57-13,196,982.78

Finding the Fourth Proportional to 43,489,119.78, 65,234,072.57 and 13,196,982.78

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Solution

The fourth proportional to 43,489,119.78, 65,234,072.57 and 13,196,982.78 is: 19,795,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489,119.78 : 65,234,072.57 = 13,196,982.78 : x
  2. Step 2: Convert to fraction form
    43,489,119.78/65,234,072.57 = 13,196,982.78/x
  3. Step 3: Cross multiply
    43,489,119.78x = 65,234,072.57 × 13,196,982.78
  4. Step 4: Simplify right side
    43,489,119.78x = 860,892,932,309,575.38
  5. Step 5: Solve for x
    x = 860,892,932,309,575.38/43,489,119.78
  6. Step 6: Final answer
    x = 19,795,593.40

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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.