Finding the Fourth Proportional to 7,529,409.62, 10,390,577.37 and 4,091,643.26
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Solution
The fourth proportional to 7,529,409.62, 10,390,577.37 and 4,091,643.26 is: 5,646,463.40
Step by Step Solution
- Step 1: Write the proportion equation
7,529,409.62 : 10,390,577.37 = 4,091,643.26 : x - Step 2: Convert to fraction form
7,529,409.62/10,390,577.37 = 4,091,643.26/x - Step 3: Cross multiply
7,529,409.62x = 10,390,577.37 × 4,091,643.26 - Step 4: Simplify right side
7,529,409.62x = 42,514,535,863,469.02 - Step 5: Solve for x
x = 42,514,535,863,469.02/7,529,409.62 - Step 6: Final answer
x = 5,646,463.40
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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.