Home / 12,529,678.20-18,794,517.30-4,010,292.60

Finding the Fourth Proportional to 12,529,678.20, 18,794,517.30 and 4,010,292.60

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Solution

The fourth proportional to 12,529,678.20, 18,794,517.30 and 4,010,292.60 is: 6,015,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,678.20 : 18,794,517.30 = 4,010,292.60 : x
  2. Step 2: Convert to fraction form
    12,529,678.20/18,794,517.30 = 4,010,292.60/x
  3. Step 3: Cross multiply
    12,529,678.20x = 18,794,517.30 × 4,010,292.60
  4. Step 4: Simplify right side
    12,529,678.20x = 75,371,513,648,761.98
  5. Step 5: Solve for x
    x = 75,371,513,648,761.98/12,529,678.20
  6. Step 6: Final answer
    x = 6,015,438.90

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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.