Home / 7,990,405.45-11,994,137.48-3,443,698.06

Finding the Fourth Proportional to 7,990,405.45, 11,994,137.48 and 3,443,698.06

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Solution

The fourth proportional to 7,990,405.45, 11,994,137.48 and 3,443,698.06 is: 5,169,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,405.45 : 11,994,137.48 = 3,443,698.06 : x
  2. Step 2: Convert to fraction form
    7,990,405.45/11,994,137.48 = 3,443,698.06/x
  3. Step 3: Cross multiply
    7,990,405.45x = 11,994,137.48 × 3,443,698.06
  4. Step 4: Simplify right side
    7,990,405.45x = 41,304,187,949,873.19
  5. Step 5: Solve for x
    x = 41,304,187,949,873.19/7,990,405.45
  6. Step 6: Final answer
    x = 5,169,223.04

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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.