Home / 13,150,019.20-19,725,028.80-9,093,746.56

Finding the Fourth Proportional to 13,150,019.20, 19,725,028.80 and 9,093,746.56

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Solution

The fourth proportional to 13,150,019.20, 19,725,028.80 and 9,093,746.56 is: 13,640,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,019.20 : 19,725,028.80 = 9,093,746.56 : x
  2. Step 2: Convert to fraction form
    13,150,019.20/19,725,028.80 = 9,093,746.56/x
  3. Step 3: Cross multiply
    13,150,019.20x = 19,725,028.80 × 9,093,746.56
  4. Step 4: Simplify right side
    13,150,019.20x = 179,374,412,795,900.94
  5. Step 5: Solve for x
    x = 179,374,412,795,900.94/13,150,019.20
  6. Step 6: Final answer
    x = 13,640,619.84

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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.