Home / 12,642,975.53-17,447,305.85-6,841,757.21

Finding the Fourth Proportional to 12,642,975.53, 17,447,305.85 and 6,841,757.21

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Solution

The fourth proportional to 12,642,975.53, 17,447,305.85 and 6,841,757.21 is: 9,441,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,975.53 : 17,447,305.85 = 6,841,757.21 : x
  2. Step 2: Convert to fraction form
    12,642,975.53/17,447,305.85 = 6,841,757.21/x
  3. Step 3: Cross multiply
    12,642,975.53x = 17,447,305.85 × 6,841,757.21
  4. Step 4: Simplify right side
    12,642,975.53x = 119,370,230,560,103.89
  5. Step 5: Solve for x
    x = 119,370,230,560,103.89/12,642,975.53
  6. Step 6: Final answer
    x = 9,441,624.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.