Finding the Fourth Proportional to 7,094,320.05, 9,790,161.49 and 3,831,134.51
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Solution
The fourth proportional to 7,094,320.05, 9,790,161.49 and 3,831,134.51 is: 5,286,965.53
Step by Step Solution
- Step 1: Write the proportion equation
7,094,320.05 : 9,790,161.49 = 3,831,134.51 : x - Step 2: Convert to fraction form
7,094,320.05/9,790,161.49 = 3,831,134.51/x - Step 3: Cross multiply
7,094,320.05x = 9,790,161.49 × 3,831,134.51 - Step 4: Simplify right side
7,094,320.05x = 37,507,425,524,190.05 - Step 5: Solve for x
x = 37,507,425,524,190.05/7,094,320.05 - Step 6: Final answer
x = 5,286,965.53
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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.