Home / 20,288,369.98-30,442,534.98-9,503,806.42

Finding the Fourth Proportional to 20,288,369.98, 30,442,534.98 and 9,503,806.42

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Solution

The fourth proportional to 20,288,369.98, 30,442,534.98 and 9,503,806.42 is: 14,260,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,369.98 : 30,442,534.98 = 9,503,806.42 : x
  2. Step 2: Convert to fraction form
    20,288,369.98/30,442,534.98 = 9,503,806.42/x
  3. Step 3: Cross multiply
    20,288,369.98x = 30,442,534.98 × 9,503,806.42
  4. Step 4: Simplify right side
    20,288,369.98x = 289,319,959,383,998.56
  5. Step 5: Solve for x
    x = 289,319,959,383,998.56/20,288,369.98
  6. Step 6: Final answer
    x = 14,260,384.63

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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.