Finding the Fourth Proportional to 7,668,316.09, 10,581,906.87 and 4,183,447.42
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Solution
The fourth proportional to 7,668,316.09, 10,581,906.87 and 4,183,447.42 is: 5,772,955.95
Step by Step Solution
- Step 1: Write the proportion equation
7,668,316.09 : 10,581,906.87 = 4,183,447.42 : x - Step 2: Convert to fraction form
7,668,316.09/10,581,906.87 = 4,183,447.42/x - Step 3: Cross multiply
7,668,316.09x = 10,581,906.87 × 4,183,447.42 - Step 4: Simplify right side
7,668,316.09x = 44,268,850,993,981.77 - Step 5: Solve for x
x = 44,268,850,993,981.77/7,668,316.09 - Step 6: Final answer
x = 5,772,955.95
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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.