Home / 8,220,083.76-12,327,067.08-2,827,220.40

Finding the Fourth Proportional to 8,220,083.76, 12,327,067.08 and 2,827,220.40

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Solution

The fourth proportional to 8,220,083.76, 12,327,067.08 and 2,827,220.40 is: 4,239,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,083.76 : 12,327,067.08 = 2,827,220.40 : x
  2. Step 2: Convert to fraction form
    8,220,083.76/12,327,067.08 = 2,827,220.40/x
  3. Step 3: Cross multiply
    8,220,083.76x = 12,327,067.08 × 2,827,220.40
  4. Step 4: Simplify right side
    8,220,083.76x = 34,851,335,520,744.43
  5. Step 5: Solve for x
    x = 34,851,335,520,744.43/8,220,083.76
  6. Step 6: Final answer
    x = 4,239,778.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.