Home / 8,428,768.39-11,631,729.72-4,561,288.54

Finding the Fourth Proportional to 8,428,768.39, 11,631,729.72 and 4,561,288.54

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Solution

The fourth proportional to 8,428,768.39, 11,631,729.72 and 4,561,288.54 is: 6,294,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,768.39 : 11,631,729.72 = 4,561,288.54 : x
  2. Step 2: Convert to fraction form
    8,428,768.39/11,631,729.72 = 4,561,288.54/x
  3. Step 3: Cross multiply
    8,428,768.39x = 11,631,729.72 × 4,561,288.54
  4. Step 4: Simplify right side
    8,428,768.39x = 53,055,675,472,213.41
  5. Step 5: Solve for x
    x = 53,055,675,472,213.41/8,428,768.39
  6. Step 6: Final answer
    x = 6,294,594.06

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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.