Home / 7,990,406.19-11,994,138.60-3,443,698.80

Finding the Fourth Proportional to 7,990,406.19, 11,994,138.60 and 3,443,698.80

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Solution

The fourth proportional to 7,990,406.19, 11,994,138.60 and 3,443,698.80 is: 5,169,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,406.19 : 11,994,138.60 = 3,443,698.80 : x
  2. Step 2: Convert to fraction form
    7,990,406.19/11,994,138.60 = 3,443,698.80/x
  3. Step 3: Cross multiply
    7,990,406.19x = 11,994,138.60 × 3,443,698.80
  4. Step 4: Simplify right side
    7,990,406.19x = 41,304,200,703,853.68
  5. Step 5: Solve for x
    x = 41,304,200,703,853.68/7,990,406.19
  6. Step 6: Final answer
    x = 5,169,224.16

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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.