Home / 18,378,086.10-27,567,129.15-4,914,914.10

Finding the Fourth Proportional to 18,378,086.10, 27,567,129.15 and 4,914,914.10

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Solution

The fourth proportional to 18,378,086.10, 27,567,129.15 and 4,914,914.10 is: 7,372,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,086.10 : 27,567,129.15 = 4,914,914.10 : x
  2. Step 2: Convert to fraction form
    18,378,086.10/27,567,129.15 = 4,914,914.10/x
  3. Step 3: Cross multiply
    18,378,086.10x = 27,567,129.15 × 4,914,914.10
  4. Step 4: Simplify right side
    18,378,086.10x = 135,490,071,755,856
  5. Step 5: Solve for x
    x = 135,490,071,755,856/18,378,086.10
  6. Step 6: Final answer
    x = 7,372,371.15

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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.