Finding the Fourth Proportional to 13,469,963.26, 20,205,119.98 and 4,494,515.26
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Solution
The fourth proportional to 13,469,963.26, 20,205,119.98 and 4,494,515.26 is: 6,741,831.31
Step by Step Solution
- Step 1: Write the proportion equation
13,469,963.26 : 20,205,119.98 = 4,494,515.26 : x - Step 2: Convert to fraction form
13,469,963.26/20,205,119.98 = 4,494,515.26/x - Step 3: Cross multiply
13,469,963.26x = 20,205,119.98 × 4,494,515.26 - Step 4: Simplify right side
13,469,963.26x = 90,812,220,080,240.89 - Step 5: Solve for x
x = 90,812,220,080,240.89/13,469,963.26 - Step 6: Final answer
x = 6,741,831.31
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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.