Home / 22,379,861.91-30,882,442.85-12,588,356.73

Finding the Fourth Proportional to 22,379,861.91, 30,882,442.85 and 12,588,356.73

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Solution

The fourth proportional to 22,379,861.91, 30,882,442.85 and 12,588,356.73 is: 17,370,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379,861.91 : 30,882,442.85 = 12,588,356.73 : x
  2. Step 2: Convert to fraction form
    22,379,861.91/30,882,442.85 = 12,588,356.73/x
  3. Step 3: Cross multiply
    22,379,861.91x = 30,882,442.85 × 12,588,356.73
  4. Step 4: Simplify right side
    22,379,861.91x = 388,759,207,226,696.12
  5. Step 5: Solve for x
    x = 388,759,207,226,696.12/22,379,861.91
  6. Step 6: Final answer
    x = 17,370,938.60

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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.