Home / 15,259,479.44-21,058,064.28-8,383,944.56

Finding the Fourth Proportional to 15,259,479.44, 21,058,064.28 and 8,383,944.56

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Solution

The fourth proportional to 15,259,479.44, 21,058,064.28 and 8,383,944.56 is: 11,569,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259,479.44 : 21,058,064.28 = 8,383,944.56 : x
  2. Step 2: Convert to fraction form
    15,259,479.44/21,058,064.28 = 8,383,944.56/x
  3. Step 3: Cross multiply
    15,259,479.44x = 21,058,064.28 × 8,383,944.56
  4. Step 4: Simplify right side
    15,259,479.44x = 176,549,643,464,436.31
  5. Step 5: Solve for x
    x = 176,549,643,464,436.31/15,259,479.44
  6. Step 6: Final answer
    x = 11,569,833.96

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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.