Home / 8,321,761.80-12,482,642.70-6,810,107.40

Finding the Fourth Proportional to 8,321,761.80, 12,482,642.70 and 6,810,107.40

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Solution

The fourth proportional to 8,321,761.80, 12,482,642.70 and 6,810,107.40 is: 10,215,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,761.80 : 12,482,642.70 = 6,810,107.40 : x
  2. Step 2: Convert to fraction form
    8,321,761.80/12,482,642.70 = 6,810,107.40/x
  3. Step 3: Cross multiply
    8,321,761.80x = 12,482,642.70 × 6,810,107.40
  4. Step 4: Simplify right side
    8,321,761.80x = 85,008,137,422,825.98
  5. Step 5: Solve for x
    x = 85,008,137,422,825.98/8,321,761.80
  6. Step 6: Final answer
    x = 10,215,161.10

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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.