Home / 25,603,467.56-38,364,752.78-20,787,627.96

Finding the Fourth Proportional to 25,603,467.56, 38,364,752.78 and 20,787,627.96

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Solution

The fourth proportional to 25,603,467.56, 38,364,752.78 and 20,787,627.96 is: 31,148,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603,467.56 : 38,364,752.78 = 20,787,627.96 : x
  2. Step 2: Convert to fraction form
    25,603,467.56/38,364,752.78 = 20,787,627.96/x
  3. Step 3: Cross multiply
    25,603,467.56x = 38,364,752.78 × 20,787,627.96
  4. Step 4: Simplify right side
    25,603,467.56x = 797,512,207,568,015.75
  5. Step 5: Solve for x
    x = 797,512,207,568,015.75/25,603,467.56
  6. Step 6: Final answer
    x = 31,148,601.48

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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.