Finding the Fourth Proportional to 11,299,082.23, 15,578,097.87 and 7,318,270.81
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Solution
The fourth proportional to 11,299,082.23, 15,578,097.87 and 7,318,270.81 is: 10,089,734.42
Step by Step Solution
- Step 1: Write the proportion equation
11,299,082.23 : 15,578,097.87 = 7,318,270.81 : x - Step 2: Convert to fraction form
11,299,082.23/15,578,097.87 = 7,318,270.81/x - Step 3: Cross multiply
11,299,082.23x = 15,578,097.87 × 7,318,270.81 - Step 4: Simplify right side
11,299,082.23x = 114,004,738,917,344.16 - Step 5: Solve for x
x = 114,004,738,917,344.16/11,299,082.23 - Step 6: Final answer
x = 10,089,734.42
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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.