Home / 21,552,865.61-32,333,557.30-7,906,138.70

Finding the Fourth Proportional to 21,552,865.61, 32,333,557.30 and 7,906,138.70

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Solution

The fourth proportional to 21,552,865.61, 32,333,557.30 and 7,906,138.70 is: 11,860,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,865.61 : 32,333,557.30 = 7,906,138.70 : x
  2. Step 2: Convert to fraction form
    21,552,865.61/32,333,557.30 = 7,906,138.70/x
  3. Step 3: Cross multiply
    21,552,865.61x = 32,333,557.30 × 7,906,138.70
  4. Step 4: Simplify right side
    21,552,865.61x = 255,633,588,678,197.53
  5. Step 5: Solve for x
    x = 255,633,588,678,197.53/21,552,865.61
  6. Step 6: Final answer
    x = 11,860,770.32

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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.