Home / 15,419,188.44-21,278,505.06-8,448,758.35

Finding the Fourth Proportional to 15,419,188.44, 21,278,505.06 and 8,448,758.35

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Solution

The fourth proportional to 15,419,188.44, 21,278,505.06 and 8,448,758.35 is: 11,659,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,188.44 : 21,278,505.06 = 8,448,758.35 : x
  2. Step 2: Convert to fraction form
    15,419,188.44/21,278,505.06 = 8,448,758.35/x
  3. Step 3: Cross multiply
    15,419,188.44x = 21,278,505.06 × 8,448,758.35
  4. Step 4: Simplify right side
    15,419,188.44x = 179,776,947,301,192.22
  5. Step 5: Solve for x
    x = 179,776,947,301,192.22/15,419,188.44
  6. Step 6: Final answer
    x = 11,659,300.23

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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.