Finding the Fourth Proportional to 11,922,425.10, 16,453,343.58 and 6,696,352.80
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Solution
The fourth proportional to 11,922,425.10, 16,453,343.58 and 6,696,352.80 is: 9,241,189.81
Step by Step Solution
- Step 1: Write the proportion equation
11,922,425.10 : 16,453,343.58 = 6,696,352.80 : x - Step 2: Convert to fraction form
11,922,425.10/16,453,343.58 = 6,696,352.80/x - Step 3: Cross multiply
11,922,425.10x = 16,453,343.58 × 6,696,352.80 - Step 4: Simplify right side
11,922,425.10x = 110,177,393,351,295.02 - Step 5: Solve for x
x = 110,177,393,351,295.02/11,922,425.10 - Step 6: Final answer
x = 9,241,189.81
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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.