Home / 20,663,902.82-31,000,338.36-6,286,596.92

Finding the Fourth Proportional to 20,663,902.82, 31,000,338.36 and 6,286,596.92

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Solution

The fourth proportional to 20,663,902.82, 31,000,338.36 and 6,286,596.92 is: 9,431,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,902.82 : 31,000,338.36 = 6,286,596.92 : x
  2. Step 2: Convert to fraction form
    20,663,902.82/31,000,338.36 = 6,286,596.92/x
  3. Step 3: Cross multiply
    20,663,902.82x = 31,000,338.36 × 6,286,596.92
  4. Step 4: Simplify right side
    20,663,902.82x = 194,886,631,652,933.84
  5. Step 5: Solve for x
    x = 194,886,631,652,933.84/20,663,902.82
  6. Step 6: Final answer
    x = 9,431,259.59

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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.