Home / 7,989,021.80-11,983,532.70-3,197,450.60

Finding the Fourth Proportional to 7,989,021.80, 11,983,532.70 and 3,197,450.60

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Solution

The fourth proportional to 7,989,021.80, 11,983,532.70 and 3,197,450.60 is: 4,796,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,021.80 : 11,983,532.70 = 3,197,450.60 : x
  2. Step 2: Convert to fraction form
    7,989,021.80/11,983,532.70 = 3,197,450.60/x
  3. Step 3: Cross multiply
    7,989,021.80x = 11,983,532.70 × 3,197,450.60
  4. Step 4: Simplify right side
    7,989,021.80x = 38,316,753,821,734.62
  5. Step 5: Solve for x
    x = 38,316,753,821,734.62/7,989,021.80
  6. Step 6: Final answer
    x = 4,796,175.90

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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.