Home / 13,589,165.34-20,383,745.16-4,953,913.28

Finding the Fourth Proportional to 13,589,165.34, 20,383,745.16 and 4,953,913.28

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Solution

The fourth proportional to 13,589,165.34, 20,383,745.16 and 4,953,913.28 is: 7,430,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,165.34 : 20,383,745.16 = 4,953,913.28 : x
  2. Step 2: Convert to fraction form
    13,589,165.34/20,383,745.16 = 4,953,913.28/x
  3. Step 3: Cross multiply
    13,589,165.34x = 20,383,745.16 × 4,953,913.28
  4. Step 4: Simplify right side
    13,589,165.34x = 100,979,305,844,259.73
  5. Step 5: Solve for x
    x = 100,979,305,844,259.73/13,589,165.34
  6. Step 6: Final answer
    x = 7,430,868.88

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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.