Home / 8,311,625.46-12,468,685.05-2,919,325.50

Finding the Fourth Proportional to 8,311,625.46, 12,468,685.05 and 2,919,325.50

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Solution

The fourth proportional to 8,311,625.46, 12,468,685.05 and 2,919,325.50 is: 4,379,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,625.46 : 12,468,685.05 = 2,919,325.50 : x
  2. Step 2: Convert to fraction form
    8,311,625.46/12,468,685.05 = 2,919,325.50/x
  3. Step 3: Cross multiply
    8,311,625.46x = 12,468,685.05 × 2,919,325.50
  4. Step 4: Simplify right side
    8,311,625.46x = 36,400,150,217,933.77
  5. Step 5: Solve for x
    x = 36,400,150,217,933.77/8,311,625.46
  6. Step 6: Final answer
    x = 4,379,426.19

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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.