Home / 10,204,999.70-15,286,504.35-5,159,153.30

Finding the Fourth Proportional to 10,204,999.70, 15,286,504.35 and 5,159,153.30

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Solution

The fourth proportional to 10,204,999.70, 15,286,504.35 and 5,159,153.30 is: 7,728,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204,999.70 : 15,286,504.35 = 5,159,153.30 : x
  2. Step 2: Convert to fraction form
    10,204,999.70/15,286,504.35 = 5,159,153.30/x
  3. Step 3: Cross multiply
    10,204,999.70x = 15,286,504.35 × 5,159,153.30
  4. Step 4: Simplify right side
    10,204,999.70x = 78,865,419,362,766.84
  5. Step 5: Solve for x
    x = 78,865,419,362,766.84/10,204,999.70
  6. Step 6: Final answer
    x = 7,728,115.79

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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.