Home / 15,504,255.46-21,395,872.59-8,630,361.37

Finding the Fourth Proportional to 15,504,255.46, 21,395,872.59 and 8,630,361.37

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Solution

The fourth proportional to 15,504,255.46, 21,395,872.59 and 8,630,361.37 is: 11,909,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,255.46 : 21,395,872.59 = 8,630,361.37 : x
  2. Step 2: Convert to fraction form
    15,504,255.46/21,395,872.59 = 8,630,361.37/x
  3. Step 3: Cross multiply
    15,504,255.46x = 21,395,872.59 × 8,630,361.37
  4. Step 4: Simplify right side
    15,504,255.46x = 184,654,112,171,198.50
  5. Step 5: Solve for x
    x = 184,654,112,171,198.50/15,504,255.46
  6. Step 6: Final answer
    x = 11,909,898.72

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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.