Home / 8,220,371.11-11,344,133.68-4,549,540.82

Finding the Fourth Proportional to 8,220,371.11, 11,344,133.68 and 4,549,540.82

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Solution

The fourth proportional to 8,220,371.11, 11,344,133.68 and 4,549,540.82 is: 6,278,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,371.11 : 11,344,133.68 = 4,549,540.82 : x
  2. Step 2: Convert to fraction form
    8,220,371.11/11,344,133.68 = 4,549,540.82/x
  3. Step 3: Cross multiply
    8,220,371.11x = 11,344,133.68 × 4,549,540.82
  4. Step 4: Simplify right side
    8,220,371.11x = 51,610,599,193,588.78
  5. Step 5: Solve for x
    x = 51,610,599,193,588.78/8,220,371.11
  6. Step 6: Final answer
    x = 6,278,378.25

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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.