Home / 13,397,599.79-20,097,598.55-5,200,049.85

Finding the Fourth Proportional to 13,397,599.79, 20,097,598.55 and 5,200,049.85

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Solution

The fourth proportional to 13,397,599.79, 20,097,598.55 and 5,200,049.85 is: 7,800,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,599.79 : 20,097,598.55 = 5,200,049.85 : x
  2. Step 2: Convert to fraction form
    13,397,599.79/20,097,598.55 = 5,200,049.85/x
  3. Step 3: Cross multiply
    13,397,599.79x = 20,097,598.55 × 5,200,049.85
  4. Step 4: Simplify right side
    13,397,599.79x = 104,508,514,253,171.77
  5. Step 5: Solve for x
    x = 104,508,514,253,171.77/13,397,599.79
  6. Step 6: Final answer
    x = 7,800,540.09

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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.