Home / 8,340,706.20-12,511,059.30-2,949,313.80

Finding the Fourth Proportional to 8,340,706.20, 12,511,059.30 and 2,949,313.80

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Solution

The fourth proportional to 8,340,706.20, 12,511,059.30 and 2,949,313.80 is: 4,423,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,706.20 : 12,511,059.30 = 2,949,313.80 : x
  2. Step 2: Convert to fraction form
    8,340,706.20/12,511,059.30 = 2,949,313.80/x
  3. Step 3: Cross multiply
    8,340,706.20x = 12,511,059.30 × 2,949,313.80
  4. Step 4: Simplify right side
    8,340,706.20x = 36,899,039,846,108.34
  5. Step 5: Solve for x
    x = 36,899,039,846,108.34/8,340,706.20
  6. Step 6: Final answer
    x = 4,423,970.70

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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.