Home / 20,713,488.62-31,069,105.74-6,336,556.43

Finding the Fourth Proportional to 20,713,488.62, 31,069,105.74 and 6,336,556.43

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Solution

The fourth proportional to 20,713,488.62, 31,069,105.74 and 6,336,556.43 is: 9,504,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,488.62 : 31,069,105.74 = 6,336,556.43 : x
  2. Step 2: Convert to fraction form
    20,713,488.62/31,069,105.74 = 6,336,556.43/x
  3. Step 3: Cross multiply
    20,713,488.62x = 31,069,105.74 × 6,336,556.43
  4. Step 4: Simplify right side
    20,713,488.62x = 196,871,141,595,801.38
  5. Step 5: Solve for x
    x = 196,871,141,595,801.38/20,713,488.62
  6. Step 6: Final answer
    x = 9,504,489.82

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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.