Home / 8,220,872.72-11,344,720.77-4,549,796.39

Finding the Fourth Proportional to 8,220,872.72, 11,344,720.77 and 4,549,796.39

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Solution

The fourth proportional to 8,220,872.72, 11,344,720.77 and 4,549,796.39 is: 6,278,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,872.72 : 11,344,720.77 = 4,549,796.39 : x
  2. Step 2: Convert to fraction form
    8,220,872.72/11,344,720.77 = 4,549,796.39/x
  3. Step 3: Cross multiply
    8,220,872.72x = 11,344,720.77 × 4,549,796.39
  4. Step 4: Simplify right side
    8,220,872.72x = 51,616,169,633,265.82
  5. Step 5: Solve for x
    x = 51,616,169,633,265.82/8,220,872.72
  6. Step 6: Final answer
    x = 6,278,672.76

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1.5x scale

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.