Finding the Fourth Proportional to 7,686,673.94, 11,530,486.38 and 2,569,564.28
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Solution
The fourth proportional to 7,686,673.94, 11,530,486.38 and 2,569,564.28 is: 3,854,505.36
Step by Step Solution
- Step 1: Write the proportion equation
7,686,673.94 : 11,530,486.38 = 2,569,564.28 : x - Step 2: Convert to fraction form
7,686,673.94/11,530,486.38 = 2,569,564.28/x - Step 3: Cross multiply
7,686,673.94x = 11,530,486.38 × 2,569,564.28 - Step 4: Simplify right side
7,686,673.94x = 29,628,325,933,074.51 - Step 5: Solve for x
x = 29,628,325,933,074.51/7,686,673.94 - Step 6: Final answer
x = 3,854,505.36
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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.