Home / 18,428,217.70-27,595,087.35-13,609,819.30

Finding the Fourth Proportional to 18,428,217.70, 27,595,087.35 and 13,609,819.30

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Solution

The fourth proportional to 18,428,217.70, 27,595,087.35 and 13,609,819.30 is: 20,379,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,217.70 : 27,595,087.35 = 13,609,819.30 : x
  2. Step 2: Convert to fraction form
    18,428,217.70/27,595,087.35 = 13,609,819.30/x
  3. Step 3: Cross multiply
    18,428,217.70x = 27,595,087.35 × 13,609,819.30
  4. Step 4: Simplify right side
    18,428,217.70x = 375,564,152,401,215.88
  5. Step 5: Solve for x
    x = 375,564,152,401,215.88/18,428,217.70
  6. Step 6: Final answer
    x = 20,379,841.31

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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.