Finding the Fourth Proportional to 7,364,728.02, 10,163,639.99 and 4,101,542.73
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Solution
The fourth proportional to 7,364,728.02, 10,163,639.99 and 4,101,542.73 is: 5,660,304.57
Step by Step Solution
- Step 1: Write the proportion equation
7,364,728.02 : 10,163,639.99 = 4,101,542.73 : x - Step 2: Convert to fraction form
7,364,728.02/10,163,639.99 = 4,101,542.73/x - Step 3: Cross multiply
7,364,728.02x = 10,163,639.99 × 4,101,542.73 - Step 4: Simplify right side
7,364,728.02x = 41,686,603,690,814.05 - Step 5: Solve for x
x = 41,686,603,690,814.05/7,364,728.02 - Step 6: Final answer
x = 5,660,304.57
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1.5x scale
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.