Home / 20,469,341.69-30,677,508.83-8,324,698.32

Finding the Fourth Proportional to 20,469,341.69, 30,677,508.83 and 8,324,698.32

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Solution

The fourth proportional to 20,469,341.69, 30,677,508.83 and 8,324,698.32 is: 12,476,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,341.69 : 30,677,508.83 = 8,324,698.32 : x
  2. Step 2: Convert to fraction form
    20,469,341.69/30,677,508.83 = 8,324,698.32/x
  3. Step 3: Cross multiply
    20,469,341.69x = 30,677,508.83 × 8,324,698.32
  4. Step 4: Simplify right side
    20,469,341.69x = 255,381,006,354,738.59
  5. Step 5: Solve for x
    x = 255,381,006,354,738.59/20,469,341.69
  6. Step 6: Final answer
    x = 12,476,268.67

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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.