Home / 8,788,149.57-13,177,418.82-6,978,141.45

Finding the Fourth Proportional to 8,788,149.57, 13,177,418.82 and 6,978,141.45

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Solution

The fourth proportional to 8,788,149.57, 13,177,418.82 and 6,978,141.45 is: 10,463,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,149.57 : 13,177,418.82 = 6,978,141.45 : x
  2. Step 2: Convert to fraction form
    8,788,149.57/13,177,418.82 = 6,978,141.45/x
  3. Step 3: Cross multiply
    8,788,149.57x = 13,177,418.82 × 6,978,141.45
  4. Step 4: Simplify right side
    8,788,149.57x = 91,953,892,471,852.09
  5. Step 5: Solve for x
    x = 91,953,892,471,852.09/8,788,149.57
  6. Step 6: Final answer
    x = 10,463,396.39

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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.