Home / 38,469,811.44-53,086,745.32-21,065,856.81

Finding the Fourth Proportional to 38,469,811.44, 53,086,745.32 and 21,065,856.81

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Solution

The fourth proportional to 38,469,811.44, 53,086,745.32 and 21,065,856.81 is: 29,070,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469,811.44 : 53,086,745.32 = 21,065,856.81 : x
  2. Step 2: Convert to fraction form
    38,469,811.44/53,086,745.32 = 21,065,856.81/x
  3. Step 3: Cross multiply
    38,469,811.44x = 53,086,745.32 × 21,065,856.81
  4. Step 4: Simplify right side
    38,469,811.44x = 1,118,317,775,168,317.62
  5. Step 5: Solve for x
    x = 1,118,317,775,168,317.62/38,469,811.44
  6. Step 6: Final answer
    x = 29,070,009.27

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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.