Home / 13,787,682-20,690,972.46-4,812,234

Finding the Fourth Proportional to 13,787,682, 20,690,972.46 and 4,812,234

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Solution

The fourth proportional to 13,787,682, 20,690,972.46 and 4,812,234 is: 7,221,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,682 : 20,690,972.46 = 4,812,234 : x
  2. Step 2: Convert to fraction form
    13,787,682/20,690,972.46 = 4,812,234/x
  3. Step 3: Cross multiply
    13,787,682x = 20,690,972.46 × 4,812,234
  4. Step 4: Simplify right side
    13,787,682x = 99,569,801,165,075.64
  5. Step 5: Solve for x
    x = 99,569,801,165,075.64/13,787,682
  6. Step 6: Final answer
    x = 7,221,649.09

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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.