Home / 12,826,163.22-17,700,391.62-7,319,428.44

Finding the Fourth Proportional to 12,826,163.22, 17,700,391.62 and 7,319,428.44

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Solution

The fourth proportional to 12,826,163.22, 17,700,391.62 and 7,319,428.44 is: 10,100,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,163.22 : 17,700,391.62 = 7,319,428.44 : x
  2. Step 2: Convert to fraction form
    12,826,163.22/17,700,391.62 = 7,319,428.44/x
  3. Step 3: Cross multiply
    12,826,163.22x = 17,700,391.62 × 7,319,428.44
  4. Step 4: Simplify right side
    12,826,163.22x = 129,556,749,822,565.69
  5. Step 5: Solve for x
    x = 129,556,749,822,565.69/12,826,163.22
  6. Step 6: Final answer
    x = 10,100,974.67

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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.