Home / 21,552,865.86-32,333,557.68-7,906,138.95

Finding the Fourth Proportional to 21,552,865.86, 32,333,557.68 and 7,906,138.95

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Solution

The fourth proportional to 21,552,865.86, 32,333,557.68 and 7,906,138.95 is: 11,860,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,865.86 : 32,333,557.68 = 7,906,138.95 : x
  2. Step 2: Convert to fraction form
    21,552,865.86/32,333,557.68 = 7,906,138.95/x
  3. Step 3: Cross multiply
    21,552,865.86x = 32,333,557.68 × 7,906,138.95
  4. Step 4: Simplify right side
    21,552,865.86x = 255,633,599,765,919.62
  5. Step 5: Solve for x
    x = 255,633,599,765,919.62/21,552,865.86
  6. Step 6: Final answer
    x = 11,860,770.69

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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.