Finding the Fourth Proportional to 7,527,707.60, 11,291,994.12 and 2,135,936.12
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Solution
The fourth proportional to 7,527,707.60, 11,291,994.12 and 2,135,936.12 is: 3,204,026.96
Step by Step Solution
- Step 1: Write the proportion equation
7,527,707.60 : 11,291,994.12 = 2,135,936.12 : x - Step 2: Convert to fraction form
7,527,707.60/11,291,994.12 = 2,135,936.12/x - Step 3: Cross multiply
7,527,707.60x = 11,291,994.12 × 2,135,936.12 - Step 4: Simplify right side
7,527,707.60x = 24,118,978,107,735.61 - Step 5: Solve for x
x = 24,118,978,107,735.61/7,527,707.60 - Step 6: Final answer
x = 3,204,026.96
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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.