Home / 20,272,251.39-30,408,123.46-4,919,668.26

Finding the Fourth Proportional to 20,272,251.39, 30,408,123.46 and 4,919,668.26

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Solution

The fourth proportional to 20,272,251.39, 30,408,123.46 and 4,919,668.26 is: 7,379,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,251.39 : 30,408,123.46 = 4,919,668.26 : x
  2. Step 2: Convert to fraction form
    20,272,251.39/30,408,123.46 = 4,919,668.26/x
  3. Step 3: Cross multiply
    20,272,251.39x = 30,408,123.46 × 4,919,668.26
  4. Step 4: Simplify right side
    20,272,251.39x = 149,597,879,832,323.38
  5. Step 5: Solve for x
    x = 149,597,879,832,323.38/20,272,251.39
  6. Step 6: Final answer
    x = 7,379,440.84

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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.