Home / 21,052,768.52-31,591,749.88-19,339,560.20

Finding the Fourth Proportional to 21,052,768.52, 31,591,749.88 and 19,339,560.20

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Solution

The fourth proportional to 21,052,768.52, 31,591,749.88 and 19,339,560.20 is: 29,020,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052,768.52 : 31,591,749.88 = 19,339,560.20 : x
  2. Step 2: Convert to fraction form
    21,052,768.52/31,591,749.88 = 19,339,560.20/x
  3. Step 3: Cross multiply
    21,052,768.52x = 31,591,749.88 × 19,339,560.20
  4. Step 4: Simplify right side
    21,052,768.52x = 610,970,548,627,602.75
  5. Step 5: Solve for x
    x = 610,970,548,627,602.75/21,052,768.52
  6. Step 6: Final answer
    x = 29,020,912.29

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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.