Home / 20,631,161.70-30,946,742.55-11,065,223.70

Finding the Fourth Proportional to 20,631,161.70, 30,946,742.55 and 11,065,223.70

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Solution

The fourth proportional to 20,631,161.70, 30,946,742.55 and 11,065,223.70 is: 16,597,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631,161.70 : 30,946,742.55 = 11,065,223.70 : x
  2. Step 2: Convert to fraction form
    20,631,161.70/30,946,742.55 = 11,065,223.70/x
  3. Step 3: Cross multiply
    20,631,161.70x = 30,946,742.55 × 11,065,223.70
  4. Step 4: Simplify right side
    20,631,161.70x = 342,432,629,102,058.44
  5. Step 5: Solve for x
    x = 342,432,629,102,058.44/20,631,161.70
  6. Step 6: Final answer
    x = 16,597,835.55

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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.