Home / 20,160,902.55-30,222,000.23-6,690,796.95

Finding the Fourth Proportional to 20,160,902.55, 30,222,000.23 and 6,690,796.95

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Solution

The fourth proportional to 20,160,902.55, 30,222,000.23 and 6,690,796.95 is: 10,029,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,902.55 : 30,222,000.23 = 6,690,796.95 : x
  2. Step 2: Convert to fraction form
    20,160,902.55/30,222,000.23 = 6,690,796.95/x
  3. Step 3: Cross multiply
    20,160,902.55x = 30,222,000.23 × 6,690,796.95
  4. Step 4: Simplify right side
    20,160,902.55x = 202,209,266,928,329.34
  5. Step 5: Solve for x
    x = 202,209,266,928,329.34/20,160,902.55
  6. Step 6: Final answer
    x = 10,029,772.55

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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.