Home / 8,262,072.20-12,393,108.30-7,340,907.80

Finding the Fourth Proportional to 8,262,072.20, 12,393,108.30 and 7,340,907.80

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Solution

The fourth proportional to 8,262,072.20, 12,393,108.30 and 7,340,907.80 is: 11,011,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,072.20 : 12,393,108.30 = 7,340,907.80 : x
  2. Step 2: Convert to fraction form
    8,262,072.20/12,393,108.30 = 7,340,907.80/x
  3. Step 3: Cross multiply
    8,262,072.20x = 12,393,108.30 × 7,340,907.80
  4. Step 4: Simplify right side
    8,262,072.20x = 90,976,665,385,714.75
  5. Step 5: Solve for x
    x = 90,976,665,385,714.75/8,262,072.20
  6. Step 6: Final answer
    x = 11,011,361.70

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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.