Home / 13,512,278.30-20,268,548.67-10,809,890.06

Finding the Fourth Proportional to 13,512,278.30, 20,268,548.67 and 10,809,890.06

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Solution

The fourth proportional to 13,512,278.30, 20,268,548.67 and 10,809,890.06 is: 16,214,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,278.30 : 20,268,548.67 = 10,809,890.06 : x
  2. Step 2: Convert to fraction form
    13,512,278.30/20,268,548.67 = 10,809,890.06/x
  3. Step 3: Cross multiply
    13,512,278.30x = 20,268,548.67 × 10,809,890.06
  4. Step 4: Simplify right side
    13,512,278.30x = 219,100,782,798,459.25
  5. Step 5: Solve for x
    x = 219,100,782,798,459.25/13,512,278.30
  6. Step 6: Final answer
    x = 16,214,940.07

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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.