Home / 21,382,562.22-29,508,558.21-12,089,932.67

Finding the Fourth Proportional to 21,382,562.22, 29,508,558.21 and 12,089,932.67

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Solution

The fourth proportional to 21,382,562.22, 29,508,558.21 and 12,089,932.67 is: 16,684,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,562.22 : 29,508,558.21 = 12,089,932.67 : x
  2. Step 2: Convert to fraction form
    21,382,562.22/29,508,558.21 = 12,089,932.67/x
  3. Step 3: Cross multiply
    21,382,562.22x = 29,508,558.21 × 12,089,932.67
  4. Step 4: Simplify right side
    21,382,562.22x = 356,756,481,800,132.94
  5. Step 5: Solve for x
    x = 356,756,481,800,132.94/21,382,562.22
  6. Step 6: Final answer
    x = 16,684,458.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.