Home / 7,990,416.86-11,994,154.56-3,443,709.47

Finding the Fourth Proportional to 7,990,416.86, 11,994,154.56 and 3,443,709.47

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Solution

The fourth proportional to 7,990,416.86, 11,994,154.56 and 3,443,709.47 is: 5,169,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,416.86 : 11,994,154.56 = 3,443,709.47 : x
  2. Step 2: Convert to fraction form
    7,990,416.86/11,994,154.56 = 3,443,709.47/x
  3. Step 3: Cross multiply
    7,990,416.86x = 11,994,154.56 × 3,443,709.47
  4. Step 4: Simplify right side
    7,990,416.86x = 41,304,383,642,915.69
  5. Step 5: Solve for x
    x = 41,304,383,642,915.69/7,990,416.86
  6. Step 6: Final answer
    x = 5,169,240.15

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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.