Home / 12,984,163.30-19,481,609.93-5,693,850.74

Finding the Fourth Proportional to 12,984,163.30, 19,481,609.93 and 5,693,850.74

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Solution

The fourth proportional to 12,984,163.30, 19,481,609.93 and 5,693,850.74 is: 8,543,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,163.30 : 19,481,609.93 = 5,693,850.74 : x
  2. Step 2: Convert to fraction form
    12,984,163.30/19,481,609.93 = 5,693,850.74/x
  3. Step 3: Cross multiply
    12,984,163.30x = 19,481,609.93 × 5,693,850.74
  4. Step 4: Simplify right side
    12,984,163.30x = 110,925,379,161,209.08
  5. Step 5: Solve for x
    x = 110,925,379,161,209.08/12,984,163.30
  6. Step 6: Final answer
    x = 8,543,128.78

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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.