Home / 8,439,310.80-12,659,311.80-2,455,678.80

Finding the Fourth Proportional to 8,439,310.80, 12,659,311.80 and 2,455,678.80

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Solution

The fourth proportional to 8,439,310.80, 12,659,311.80 and 2,455,678.80 is: 3,683,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,310.80 : 12,659,311.80 = 2,455,678.80 : x
  2. Step 2: Convert to fraction form
    8,439,310.80/12,659,311.80 = 2,455,678.80/x
  3. Step 3: Cross multiply
    8,439,310.80x = 12,659,311.80 × 2,455,678.80
  4. Step 4: Simplify right side
    8,439,310.80x = 31,087,203,609,849.84
  5. Step 5: Solve for x
    x = 31,087,203,609,849.84/8,439,310.80
  6. Step 6: Final answer
    x = 3,683,618.76

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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.