Home / 8,138,747.45-11,231,427.14-4,467,726.49

Finding the Fourth Proportional to 8,138,747.45, 11,231,427.14 and 4,467,726.49

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Solution

The fourth proportional to 8,138,747.45, 11,231,427.14 and 4,467,726.49 is: 6,165,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,747.45 : 11,231,427.14 = 4,467,726.49 : x
  2. Step 2: Convert to fraction form
    8,138,747.45/11,231,427.14 = 4,467,726.49/x
  3. Step 3: Cross multiply
    8,138,747.45x = 11,231,427.14 × 4,467,726.49
  4. Step 4: Simplify right side
    8,138,747.45x = 50,178,944,565,052.26
  5. Step 5: Solve for x
    x = 50,178,944,565,052.26/8,138,747.45
  6. Step 6: Final answer
    x = 6,165,438.22

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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.