Home / 40,440,643.20-60,660,964.80-11,687,716.80

Finding the Fourth Proportional to 40,440,643.20, 60,660,964.80 and 11,687,716.80

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Solution

The fourth proportional to 40,440,643.20, 60,660,964.80 and 11,687,716.80 is: 17,531,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,643.20 : 60,660,964.80 = 11,687,716.80 : x
  2. Step 2: Convert to fraction form
    40,440,643.20/60,660,964.80 = 11,687,716.80/x
  3. Step 3: Cross multiply
    40,440,643.20x = 60,660,964.80 × 11,687,716.80
  4. Step 4: Simplify right side
    40,440,643.20x = 708,988,177,397,168.62
  5. Step 5: Solve for x
    x = 708,988,177,397,168.62/40,440,643.20
  6. Step 6: Final answer
    x = 17,531,575.20

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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.