Home / 13,511,410.25-20,273,291.21-7,354,168.11

Finding the Fourth Proportional to 13,511,410.25, 20,273,291.21 and 7,354,168.11

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Solution

The fourth proportional to 13,511,410.25, 20,273,291.21 and 7,354,168.11 is: 11,034,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,410.25 : 20,273,291.21 = 7,354,168.11 : x
  2. Step 2: Convert to fraction form
    13,511,410.25/20,273,291.21 = 7,354,168.11/x
  3. Step 3: Cross multiply
    13,511,410.25x = 20,273,291.21 × 7,354,168.11
  4. Step 4: Simplify right side
    13,511,410.25x = 149,093,191,719,710.72
  5. Step 5: Solve for x
    x = 149,093,191,719,710.72/13,511,410.25
  6. Step 6: Final answer
    x = 11,034,613.64

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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.