Home / 26,434,442.45-39,651,937.22-7,990,540.61

Finding the Fourth Proportional to 26,434,442.45, 39,651,937.22 and 7,990,540.61

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Solution

The fourth proportional to 26,434,442.45, 39,651,937.22 and 7,990,540.61 is: 11,985,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,434,442.45 : 39,651,937.22 = 7,990,540.61 : x
  2. Step 2: Convert to fraction form
    26,434,442.45/39,651,937.22 = 7,990,540.61/x
  3. Step 3: Cross multiply
    26,434,442.45x = 39,651,937.22 × 7,990,540.61
  4. Step 4: Simplify right side
    26,434,442.45x = 316,840,414,383,368.19
  5. Step 5: Solve for x
    x = 316,840,414,383,368.19/26,434,442.45
  6. Step 6: Final answer
    x = 11,985,893.59

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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.