Home / 16,815,122.70-25,222,684.05-13,455,890.70

Finding the Fourth Proportional to 16,815,122.70, 25,222,684.05 and 13,455,890.70

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Solution

The fourth proportional to 16,815,122.70, 25,222,684.05 and 13,455,890.70 is: 20,183,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815,122.70 : 25,222,684.05 = 13,455,890.70 : x
  2. Step 2: Convert to fraction form
    16,815,122.70/25,222,684.05 = 13,455,890.70/x
  3. Step 3: Cross multiply
    16,815,122.70x = 25,222,684.05 × 13,455,890.70
  4. Step 4: Simplify right side
    16,815,122.70x = 339,393,679,737,433.31
  5. Step 5: Solve for x
    x = 339,393,679,737,433.31/16,815,122.70
  6. Step 6: Final answer
    x = 20,183,836.05

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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.