Home / 12,722,273.70-19,083,322.98-5,149,130.10

Finding the Fourth Proportional to 12,722,273.70, 19,083,322.98 and 5,149,130.10

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Solution

The fourth proportional to 12,722,273.70, 19,083,322.98 and 5,149,130.10 is: 7,723,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722,273.70 : 19,083,322.98 = 5,149,130.10 : x
  2. Step 2: Convert to fraction form
    12,722,273.70/19,083,322.98 = 5,149,130.10/x
  3. Step 3: Cross multiply
    12,722,273.70x = 19,083,322.98 × 5,149,130.10
  4. Step 4: Simplify right side
    12,722,273.70x = 98,262,512,764,339.69
  5. Step 5: Solve for x
    x = 98,262,512,764,339.69/12,722,273.70
  6. Step 6: Final answer
    x = 7,723,659.71

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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.