Home / 20,800,033.50-28,704,654.45-11,381,389.95

Finding the Fourth Proportional to 20,800,033.50, 28,704,654.45 and 11,381,389.95

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Solution

The fourth proportional to 20,800,033.50, 28,704,654.45 and 11,381,389.95 is: 15,706,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,033.50 : 28,704,654.45 = 11,381,389.95 : x
  2. Step 2: Convert to fraction form
    20,800,033.50/28,704,654.45 = 11,381,389.95/x
  3. Step 3: Cross multiply
    20,800,033.50x = 28,704,654.45 × 11,381,389.95
  4. Step 4: Simplify right side
    20,800,033.50x = 326,698,865,675,452.75
  5. Step 5: Solve for x
    x = 326,698,865,675,452.75/20,800,033.50
  6. Step 6: Final answer
    x = 15,706,650.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.