Home / 13,480,825.70-20,219,245.34-4,959,169.27

Finding the Fourth Proportional to 13,480,825.70, 20,219,245.34 and 4,959,169.27

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Solution

The fourth proportional to 13,480,825.70, 20,219,245.34 and 4,959,169.27 is: 7,438,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,825.70 : 20,219,245.34 = 4,959,169.27 : x
  2. Step 2: Convert to fraction form
    13,480,825.70/20,219,245.34 = 4,959,169.27/x
  3. Step 3: Cross multiply
    13,480,825.70x = 20,219,245.34 × 4,959,169.27
  4. Step 4: Simplify right side
    13,480,825.70x = 100,270,660,152,718.69
  5. Step 5: Solve for x
    x = 100,270,660,152,718.69/13,480,825.70
  6. Step 6: Final answer
    x = 7,438,020.67

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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.