Home / 38,744,330.94-53,467,170.39-21,340,675.53

Finding the Fourth Proportional to 38,744,330.94, 53,467,170.39 and 21,340,675.53

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Solution

The fourth proportional to 38,744,330.94, 53,467,170.39 and 21,340,675.53 is: 29,450,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,744,330.94 : 53,467,170.39 = 21,340,675.53 : x
  2. Step 2: Convert to fraction form
    38,744,330.94/53,467,170.39 = 21,340,675.53/x
  3. Step 3: Cross multiply
    38,744,330.94x = 53,467,170.39 × 21,340,675.53
  4. Step 4: Simplify right side
    38,744,330.94x = 1,141,025,534,800,213.75
  5. Step 5: Solve for x
    x = 1,141,025,534,800,213.75/38,744,330.94
  6. Step 6: Final answer
    x = 29,450,128.76

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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.