Home / 7,839,015.78-11,758,518.24-2,448,128.22

Finding the Fourth Proportional to 7,839,015.78, 11,758,518.24 and 2,448,128.22

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Solution

The fourth proportional to 7,839,015.78, 11,758,518.24 and 2,448,128.22 is: 3,672,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,015.78 : 11,758,518.24 = 2,448,128.22 : x
  2. Step 2: Convert to fraction form
    7,839,015.78/11,758,518.24 = 2,448,128.22/x
  3. Step 3: Cross multiply
    7,839,015.78x = 11,758,518.24 × 2,448,128.22
  4. Step 4: Simplify right side
    7,839,015.78x = 28,786,360,328,728.73
  5. Step 5: Solve for x
    x = 28,786,360,328,728.73/7,839,015.78
  6. Step 6: Final answer
    x = 3,672,190.63

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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.