Home / 8,143,940.40-12,213,197.94-3,284,991.96

Finding the Fourth Proportional to 8,143,940.40, 12,213,197.94 and 3,284,991.96

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Solution

The fourth proportional to 8,143,940.40, 12,213,197.94 and 3,284,991.96 is: 4,926,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,940.40 : 12,213,197.94 = 3,284,991.96 : x
  2. Step 2: Convert to fraction form
    8,143,940.40/12,213,197.94 = 3,284,991.96/x
  3. Step 3: Cross multiply
    8,143,940.40x = 12,213,197.94 × 3,284,991.96
  4. Step 4: Simplify right side
    8,143,940.40x = 40,120,257,038,788.56
  5. Step 5: Solve for x
    x = 40,120,257,038,788.56/8,143,940.40
  6. Step 6: Final answer
    x = 4,926,393.74

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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.