Home / 8,129,660.73-11,219,137.79-4,458,723.45

Finding the Fourth Proportional to 8,129,660.73, 11,219,137.79 and 4,458,723.45

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Solution

The fourth proportional to 8,129,660.73, 11,219,137.79 and 4,458,723.45 is: 6,153,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,660.73 : 11,219,137.79 = 4,458,723.45 : x
  2. Step 2: Convert to fraction form
    8,129,660.73/11,219,137.79 = 4,458,723.45/x
  3. Step 3: Cross multiply
    8,129,660.73x = 11,219,137.79 × 4,458,723.45
  4. Step 4: Simplify right side
    8,129,660.73x = 50,023,032,730,760.56
  5. Step 5: Solve for x
    x = 50,023,032,730,760.56/8,129,660.73
  6. Step 6: Final answer
    x = 6,153,151.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.