Home / 11,121,610.40-16,682,415.60-4,732,071.20

Finding the Fourth Proportional to 11,121,610.40, 16,682,415.60 and 4,732,071.20

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Solution

The fourth proportional to 11,121,610.40, 16,682,415.60 and 4,732,071.20 is: 7,098,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,610.40 : 16,682,415.60 = 4,732,071.20 : x
  2. Step 2: Convert to fraction form
    11,121,610.40/16,682,415.60 = 4,732,071.20/x
  3. Step 3: Cross multiply
    11,121,610.40x = 16,682,415.60 × 4,732,071.20
  4. Step 4: Simplify right side
    11,121,610.40x = 78,942,378,407,190.72
  5. Step 5: Solve for x
    x = 78,942,378,407,190.72/11,121,610.40
  6. Step 6: Final answer
    x = 7,098,106.80

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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.