Home / 20,476,909.75-30,720,416.61-6,099,921.67

Finding the Fourth Proportional to 20,476,909.75, 30,720,416.61 and 6,099,921.67

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Solution

The fourth proportional to 20,476,909.75, 30,720,416.61 and 6,099,921.67 is: 9,151,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,909.75 : 30,720,416.61 = 6,099,921.67 : x
  2. Step 2: Convert to fraction form
    20,476,909.75/30,720,416.61 = 6,099,921.67/x
  3. Step 3: Cross multiply
    20,476,909.75x = 30,720,416.61 × 6,099,921.67
  4. Step 4: Simplify right side
    20,476,909.75x = 187,392,134,990,766.94
  5. Step 5: Solve for x
    x = 187,392,134,990,766.94/20,476,909.75
  6. Step 6: Final answer
    x = 9,151,387.45

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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.