Home / 8,102,620.15-12,162,494.25-7,919,650.26

Finding the Fourth Proportional to 8,102,620.15, 12,162,494.25 and 7,919,650.26

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Solution

The fourth proportional to 8,102,620.15, 12,162,494.25 and 7,919,650.26 is: 11,887,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102,620.15 : 12,162,494.25 = 7,919,650.26 : x
  2. Step 2: Convert to fraction form
    8,102,620.15/12,162,494.25 = 7,919,650.26/x
  3. Step 3: Cross multiply
    8,102,620.15x = 12,162,494.25 × 7,919,650.26
  4. Step 4: Simplify right side
    8,102,620.15x = 96,322,700,749,261
  5. Step 5: Solve for x
    x = 96,322,700,749,261/8,102,620.15
  6. Step 6: Final answer
    x = 11,887,846.03

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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.