Finding the Fourth Proportional to 13,310,524.08, 18,379,725.66 and 8,424,367.56
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Solution
The fourth proportional to 13,310,524.08, 18,379,725.66 and 8,424,367.56 is: 11,632,717.37
Step by Step Solution
- Step 1: Write the proportion equation
13,310,524.08 : 18,379,725.66 = 8,424,367.56 : x - Step 2: Convert to fraction form
13,310,524.08/18,379,725.66 = 8,424,367.56/x - Step 3: Cross multiply
13,310,524.08x = 18,379,725.66 × 8,424,367.56 - Step 4: Simplify right side
13,310,524.08x = 154,837,564,611,803.59 - Step 5: Solve for x
x = 154,837,564,611,803.59/13,310,524.08 - Step 6: Final answer
x = 11,632,717.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.