Home / 22,558,990.86-31,131,446.88-12,245,720.94

Finding the Fourth Proportional to 22,558,990.86, 31,131,446.88 and 12,245,720.94

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Solution

The fourth proportional to 22,558,990.86, 31,131,446.88 and 12,245,720.94 is: 16,899,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558,990.86 : 31,131,446.88 = 12,245,720.94 : x
  2. Step 2: Convert to fraction form
    22,558,990.86/31,131,446.88 = 12,245,720.94/x
  3. Step 3: Cross multiply
    22,558,990.86x = 31,131,446.88 × 12,245,720.94
  4. Step 4: Simplify right side
    22,558,990.86x = 381,227,010,950,913.62
  5. Step 5: Solve for x
    x = 381,227,010,950,913.62/22,558,990.86
  6. Step 6: Final answer
    x = 16,899,116.34

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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.