Home / 8,512,857.70-11,747,993.49-4,645,628.42

Finding the Fourth Proportional to 8,512,857.70, 11,747,993.49 and 4,645,628.42

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Solution

The fourth proportional to 8,512,857.70, 11,747,993.49 and 4,645,628.42 is: 6,411,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,857.70 : 11,747,993.49 = 4,645,628.42 : x
  2. Step 2: Convert to fraction form
    8,512,857.70/11,747,993.49 = 4,645,628.42/x
  3. Step 3: Cross multiply
    8,512,857.70x = 11,747,993.49 × 4,645,628.42
  4. Step 4: Simplify right side
    8,512,857.70x = 54,576,812,376,379.02
  5. Step 5: Solve for x
    x = 54,576,812,376,379.02/8,512,857.70
  6. Step 6: Final answer
    x = 6,411,103.57

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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.