Home / 18,451,000.70-27,676,501.05-4,987,828.70

Finding the Fourth Proportional to 18,451,000.70, 27,676,501.05 and 4,987,828.70

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Solution

The fourth proportional to 18,451,000.70, 27,676,501.05 and 4,987,828.70 is: 7,481,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,000.70 : 27,676,501.05 = 4,987,828.70 : x
  2. Step 2: Convert to fraction form
    18,451,000.70/27,676,501.05 = 4,987,828.70/x
  3. Step 3: Cross multiply
    18,451,000.70x = 27,676,501.05 × 4,987,828.70
  4. Step 4: Simplify right side
    18,451,000.70x = 138,045,646,252,770.14
  5. Step 5: Solve for x
    x = 138,045,646,252,770.14/18,451,000.70
  6. Step 6: Final answer
    x = 7,481,743.05

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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.