Finding the Fourth Proportional to 7,382,557.60, 11,073,836.40 and 6,036,240.40
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Solution
The fourth proportional to 7,382,557.60, 11,073,836.40 and 6,036,240.40 is: 9,054,360.60
Step by Step Solution
- Step 1: Write the proportion equation
7,382,557.60 : 11,073,836.40 = 6,036,240.40 : x - Step 2: Convert to fraction form
7,382,557.60/11,073,836.40 = 6,036,240.40/x - Step 3: Cross multiply
7,382,557.60x = 11,073,836.40 × 6,036,240.40 - Step 4: Simplify right side
7,382,557.60x = 66,844,338,660,670.56 - Step 5: Solve for x
x = 66,844,338,660,670.56/7,382,557.60 - Step 6: Final answer
x = 9,054,360.60
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1.5x scale
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.