Home / 10,976,942.40-16,474,744.80-4,920,993.60

Finding the Fourth Proportional to 10,976,942.40, 16,474,744.80 and 4,920,993.60

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Solution

The fourth proportional to 10,976,942.40, 16,474,744.80 and 4,920,993.60 is: 7,385,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,942.40 : 16,474,744.80 = 4,920,993.60 : x
  2. Step 2: Convert to fraction form
    10,976,942.40/16,474,744.80 = 4,920,993.60/x
  3. Step 3: Cross multiply
    10,976,942.40x = 16,474,744.80 × 4,920,993.60
  4. Step 4: Simplify right side
    10,976,942.40x = 81,072,113,722,433.28
  5. Step 5: Solve for x
    x = 81,072,113,722,433.28/10,976,942.40
  6. Step 6: Final answer
    x = 7,385,673.60

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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.