Finding the Fourth Proportional to 7,586,015.40, 11,351,029.49 and 4,555,227.06
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Solution
The fourth proportional to 7,586,015.40, 11,351,029.49 and 4,555,227.06 is: 6,816,031.07
Step by Step Solution
- Step 1: Write the proportion equation
7,586,015.40 : 11,351,029.49 = 4,555,227.06 : x - Step 2: Convert to fraction form
7,586,015.40/11,351,029.49 = 4,555,227.06/x - Step 3: Cross multiply
7,586,015.40x = 11,351,029.49 × 4,555,227.06 - Step 4: Simplify right side
7,586,015.40x = 51,706,516,691,705.99 - Step 5: Solve for x
x = 51,706,516,691,705.99/7,586,015.40 - Step 6: Final answer
x = 6,816,031.07
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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.