Home / 13,462,405.70-20,193,608.55-11,974,370.90

Finding the Fourth Proportional to 13,462,405.70, 20,193,608.55 and 11,974,370.90

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Solution

The fourth proportional to 13,462,405.70, 20,193,608.55 and 11,974,370.90 is: 17,961,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,405.70 : 20,193,608.55 = 11,974,370.90 : x
  2. Step 2: Convert to fraction form
    13,462,405.70/20,193,608.55 = 11,974,370.90/x
  3. Step 3: Cross multiply
    13,462,405.70x = 20,193,608.55 × 11,974,370.90
  4. Step 4: Simplify right side
    13,462,405.70x = 241,805,758,587,111.22
  5. Step 5: Solve for x
    x = 241,805,758,587,111.22/13,462,405.70
  6. Step 6: Final answer
    x = 17,961,556.35

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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.