Home / 18,451,000.20-27,676,500.30-4,987,828.20

Finding the Fourth Proportional to 18,451,000.20, 27,676,500.30 and 4,987,828.20

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Solution

The fourth proportional to 18,451,000.20, 27,676,500.30 and 4,987,828.20 is: 7,481,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,000.20 : 27,676,500.30 = 4,987,828.20 : x
  2. Step 2: Convert to fraction form
    18,451,000.20/27,676,500.30 = 4,987,828.20/x
  3. Step 3: Cross multiply
    18,451,000.20x = 27,676,500.30 × 4,987,828.20
  4. Step 4: Simplify right side
    18,451,000.20x = 138,045,628,673,648.47
  5. Step 5: Solve for x
    x = 138,045,628,673,648.47/18,451,000.20
  6. Step 6: Final answer
    x = 7,481,742.30

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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.