Finding the Fourth Proportional to 7,769,847.12, 10,719,577.53 and 4,504,863.84
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Solution
The fourth proportional to 7,769,847.12, 10,719,577.53 and 4,504,863.84 is: 6,215,082.03
Step by Step Solution
- Step 1: Write the proportion equation
7,769,847.12 : 10,719,577.53 = 4,504,863.84 : x - Step 2: Convert to fraction form
7,769,847.12/10,719,577.53 = 4,504,863.84/x - Step 3: Cross multiply
7,769,847.12x = 10,719,577.53 × 4,504,863.84 - Step 4: Simplify right side
7,769,847.12x = 48,290,237,194,973.51 - Step 5: Solve for x
x = 48,290,237,194,973.51/7,769,847.12 - Step 6: Final answer
x = 6,215,082.03
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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.