Home / 20,292,797.36-28,003,317.24-11,125,238.96

Finding the Fourth Proportional to 20,292,797.36, 28,003,317.24 and 11,125,238.96

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Solution

The fourth proportional to 20,292,797.36, 28,003,317.24 and 11,125,238.96 is: 15,352,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,797.36 : 28,003,317.24 = 11,125,238.96 : x
  2. Step 2: Convert to fraction form
    20,292,797.36/28,003,317.24 = 11,125,238.96/x
  3. Step 3: Cross multiply
    20,292,797.36x = 28,003,317.24 × 11,125,238.96
  4. Step 4: Simplify right side
    20,292,797.36x = 311,543,595,967,687.69
  5. Step 5: Solve for x
    x = 311,543,595,967,687.69/20,292,797.36
  6. Step 6: Final answer
    x = 15,352,422.36

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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.