Home / 25,563,286-38,345,716.32-11,178,949.60

Finding the Fourth Proportional to 25,563,286, 38,345,716.32 and 11,178,949.60

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Solution

The fourth proportional to 25,563,286, 38,345,716.32 and 11,178,949.60 is: 16,768,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563,286 : 38,345,716.32 = 11,178,949.60 : x
  2. Step 2: Convert to fraction form
    25,563,286/38,345,716.32 = 11,178,949.60/x
  3. Step 3: Cross multiply
    25,563,286x = 38,345,716.32 × 11,178,949.60
  4. Step 4: Simplify right side
    25,563,286x = 428,664,830,117,177.44
  5. Step 5: Solve for x
    x = 428,664,830,117,177.44/25,563,286
  6. Step 6: Final answer
    x = 16,768,768.70

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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.