Home / 20,408,065.62-30,615,865.47-8,441,734.74

Finding the Fourth Proportional to 20,408,065.62, 30,615,865.47 and 8,441,734.74

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Solution

The fourth proportional to 20,408,065.62, 30,615,865.47 and 8,441,734.74 is: 12,664,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408,065.62 : 30,615,865.47 = 8,441,734.74 : x
  2. Step 2: Convert to fraction form
    20,408,065.62/30,615,865.47 = 8,441,734.74/x
  3. Step 3: Cross multiply
    20,408,065.62x = 30,615,865.47 × 8,441,734.74
  4. Step 4: Simplify right side
    20,408,065.62x = 258,451,015,133,265.44
  5. Step 5: Solve for x
    x = 258,451,015,133,265.44/20,408,065.62
  6. Step 6: Final answer
    x = 12,664,160.33

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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.