Home / 20,164,749.06-30,247,077.43-8,642,745.27

Finding the Fourth Proportional to 20,164,749.06, 30,247,077.43 and 8,642,745.27

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Solution

The fourth proportional to 20,164,749.06, 30,247,077.43 and 8,642,745.27 is: 12,964,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,749.06 : 30,247,077.43 = 8,642,745.27 : x
  2. Step 2: Convert to fraction form
    20,164,749.06/30,247,077.43 = 8,642,745.27/x
  3. Step 3: Cross multiply
    20,164,749.06x = 30,247,077.43 × 8,642,745.27
  4. Step 4: Simplify right side
    20,164,749.06x = 261,417,785,389,456.25
  5. Step 5: Solve for x
    x = 261,417,785,389,456.25/20,164,749.06
  6. Step 6: Final answer
    x = 12,964,098.12

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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.