Home / 21,850,231.88-30,153,321.78-12,060,678.58

Finding the Fourth Proportional to 21,850,231.88, 30,153,321.78 and 12,060,678.58

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Solution

The fourth proportional to 21,850,231.88, 30,153,321.78 and 12,060,678.58 is: 16,643,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,231.88 : 30,153,321.78 = 12,060,678.58 : x
  2. Step 2: Convert to fraction form
    21,850,231.88/30,153,321.78 = 12,060,678.58/x
  3. Step 3: Cross multiply
    21,850,231.88x = 30,153,321.78 × 12,060,678.58
  4. Step 4: Simplify right side
    21,850,231.88x = 363,669,522,107,893.50
  5. Step 5: Solve for x
    x = 363,669,522,107,893.50/21,850,231.88
  6. Step 6: Final answer
    x = 16,643,737.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.