Home / 8,311,708.80-12,467,563.20-2,921,191.20

Finding the Fourth Proportional to 8,311,708.80, 12,467,563.20 and 2,921,191.20

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Solution

The fourth proportional to 8,311,708.80, 12,467,563.20 and 2,921,191.20 is: 4,381,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,708.80 : 12,467,563.20 = 2,921,191.20 : x
  2. Step 2: Convert to fraction form
    8,311,708.80/12,467,563.20 = 2,921,191.20/x
  3. Step 3: Cross multiply
    8,311,708.80x = 12,467,563.20 × 2,921,191.20
  4. Step 4: Simplify right side
    8,311,708.80x = 36,420,135,905,283.84
  5. Step 5: Solve for x
    x = 36,420,135,905,283.84/8,311,708.80
  6. Step 6: Final answer
    x = 4,381,786.80

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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.