Home / 20,199,351.70-30,299,027.55-13,822,059.70

Finding the Fourth Proportional to 20,199,351.70, 30,299,027.55 and 13,822,059.70

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Solution

The fourth proportional to 20,199,351.70, 30,299,027.55 and 13,822,059.70 is: 20,733,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,351.70 : 30,299,027.55 = 13,822,059.70 : x
  2. Step 2: Convert to fraction form
    20,199,351.70/30,299,027.55 = 13,822,059.70/x
  3. Step 3: Cross multiply
    20,199,351.70x = 30,299,027.55 × 13,822,059.70
  4. Step 4: Simplify right side
    20,199,351.70x = 418,794,967,648,044.75
  5. Step 5: Solve for x
    x = 418,794,967,648,044.75/20,199,351.70
  6. Step 6: Final answer
    x = 20,733,089.55

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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.