Finding the Fourth Proportional to 12,183,378.42, 16,811,245.62 and 7,541,832.18
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Solution
The fourth proportional to 12,183,378.42, 16,811,245.62 and 7,541,832.18 is: 10,406,603.89
Step by Step Solution
- Step 1: Write the proportion equation
12,183,378.42 : 16,811,245.62 = 7,541,832.18 : x - Step 2: Convert to fraction form
12,183,378.42/16,811,245.62 = 7,541,832.18/x - Step 3: Cross multiply
12,183,378.42x = 16,811,245.62 × 7,541,832.18 - Step 4: Simplify right side
12,183,378.42x = 126,787,593,202,800.05 - Step 5: Solve for x
x = 126,787,593,202,800.05/12,183,378.42 - Step 6: Final answer
x = 10,406,603.89
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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.