Home / 10,189,077.75-15,279,133.27-5,395,648.41

Finding the Fourth Proportional to 10,189,077.75, 15,279,133.27 and 5,395,648.41

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Solution

The fourth proportional to 10,189,077.75, 15,279,133.27 and 5,395,648.41 is: 8,091,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189,077.75 : 15,279,133.27 = 5,395,648.41 : x
  2. Step 2: Convert to fraction form
    10,189,077.75/15,279,133.27 = 5,395,648.41/x
  3. Step 3: Cross multiply
    10,189,077.75x = 15,279,133.27 × 5,395,648.41
  4. Step 4: Simplify right side
    10,189,077.75x = 82,440,831,134,453.59
  5. Step 5: Solve for x
    x = 82,440,831,134,453.59/10,189,077.75
  6. Step 6: Final answer
    x = 8,091,098.44

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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.