Home / 13,921,340.44-19,211,580.84-7,809,900.16

Finding the Fourth Proportional to 13,921,340.44, 19,211,580.84 and 7,809,900.16

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Solution

The fourth proportional to 13,921,340.44, 19,211,580.84 and 7,809,900.16 is: 10,777,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,340.44 : 19,211,580.84 = 7,809,900.16 : x
  2. Step 2: Convert to fraction form
    13,921,340.44/19,211,580.84 = 7,809,900.16/x
  3. Step 3: Cross multiply
    13,921,340.44x = 19,211,580.84 × 7,809,900.16
  4. Step 4: Simplify right side
    13,921,340.44x = 150,040,528,276,168.94
  5. Step 5: Solve for x
    x = 150,040,528,276,168.94/13,921,340.44
  6. Step 6: Final answer
    x = 10,777,735.73

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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.