Home / 12,883,420.75-19,325,247.77-3,907,972.75

Finding the Fourth Proportional to 12,883,420.75, 19,325,247.77 and 3,907,972.75

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Solution

The fourth proportional to 12,883,420.75, 19,325,247.77 and 3,907,972.75 is: 5,861,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,420.75 : 19,325,247.77 = 3,907,972.75 : x
  2. Step 2: Convert to fraction form
    12,883,420.75/19,325,247.77 = 3,907,972.75/x
  3. Step 3: Cross multiply
    12,883,420.75x = 19,325,247.77 × 3,907,972.75
  4. Step 4: Simplify right side
    12,883,420.75x = 75,522,541,672,158.27
  5. Step 5: Solve for x
    x = 75,522,541,672,158.27/12,883,420.75
  6. Step 6: Final answer
    x = 5,861,994.51

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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.