Finding the Fourth Proportional to 7,134,241.68, 10,702,409.40 and 3,348,107.28
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Solution
The fourth proportional to 7,134,241.68, 10,702,409.40 and 3,348,107.28 is: 5,022,652.22
Step by Step Solution
- Step 1: Write the proportion equation
7,134,241.68 : 10,702,409.40 = 3,348,107.28 : x - Step 2: Convert to fraction form
7,134,241.68/10,702,409.40 = 3,348,107.28/x - Step 3: Cross multiply
7,134,241.68x = 10,702,409.40 × 3,348,107.28 - Step 4: Simplify right side
7,134,241.68x = 35,832,814,825,680.43 - Step 5: Solve for x
x = 35,832,814,825,680.43/7,134,241.68 - Step 6: Final answer
x = 5,022,652.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.