Home / 18,378,044.10-27,567,066.15-4,914,872.10

Finding the Fourth Proportional to 18,378,044.10, 27,567,066.15 and 4,914,872.10

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Solution

The fourth proportional to 18,378,044.10, 27,567,066.15 and 4,914,872.10 is: 7,372,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,044.10 : 27,567,066.15 = 4,914,872.10 : x
  2. Step 2: Convert to fraction form
    18,378,044.10/27,567,066.15 = 4,914,872.10/x
  3. Step 3: Cross multiply
    18,378,044.10x = 27,567,066.15 × 4,914,872.10
  4. Step 4: Simplify right side
    18,378,044.10x = 135,488,604,299,489.39
  5. Step 5: Solve for x
    x = 135,488,604,299,489.39/18,378,044.10
  6. Step 6: Final answer
    x = 7,372,308.15

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Double scale
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Similar ratio
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1.5x scale

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.