Home / 15,419,189.44-21,278,506.44-8,448,759.35

Finding the Fourth Proportional to 15,419,189.44, 21,278,506.44 and 8,448,759.35

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Solution

The fourth proportional to 15,419,189.44, 21,278,506.44 and 8,448,759.35 is: 11,659,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,189.44 : 21,278,506.44 = 8,448,759.35 : x
  2. Step 2: Convert to fraction form
    15,419,189.44/21,278,506.44 = 8,448,759.35/x
  3. Step 3: Cross multiply
    15,419,189.44x = 21,278,506.44 × 8,448,759.35
  4. Step 4: Simplify right side
    15,419,189.44x = 179,776,980,238,985.22
  5. Step 5: Solve for x
    x = 179,776,980,238,985.22/15,419,189.44
  6. Step 6: Final answer
    x = 11,659,301.61

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1.5x scale

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.