Finding the Fourth Proportional to 7,133,383.45, 9,844,124.79 and 4,192,410.75
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Solution
The fourth proportional to 7,133,383.45, 9,844,124.79 and 4,192,410.75 is: 5,785,559.53
Step by Step Solution
- Step 1: Write the proportion equation
7,133,383.45 : 9,844,124.79 = 4,192,410.75 : x - Step 2: Convert to fraction form
7,133,383.45/9,844,124.79 = 4,192,410.75/x - Step 3: Cross multiply
7,133,383.45x = 9,844,124.79 × 4,192,410.75 - Step 4: Simplify right side
7,133,383.45x = 41,270,614,593,937.49 - Step 5: Solve for x
x = 41,270,614,593,937.49/7,133,383.45 - Step 6: Final answer
x = 5,785,559.53
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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.