Home / 10,443,179.82-15,660,942.48-3,617,990.22

Finding the Fourth Proportional to 10,443,179.82, 15,660,942.48 and 3,617,990.22

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Solution

The fourth proportional to 10,443,179.82, 15,660,942.48 and 3,617,990.22 is: 5,425,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,179.82 : 15,660,942.48 = 3,617,990.22 : x
  2. Step 2: Convert to fraction form
    10,443,179.82/15,660,942.48 = 3,617,990.22/x
  3. Step 3: Cross multiply
    10,443,179.82x = 15,660,942.48 × 3,617,990.22
  4. Step 4: Simplify right side
    10,443,179.82x = 56,661,136,728,622.55
  5. Step 5: Solve for x
    x = 56,661,136,728,622.55/10,443,179.82
  6. Step 6: Final answer
    x = 5,425,659.40

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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.