Finding the Fourth Proportional to 11,475,474.09, 17,215,482.80 and 3,278,187.06
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Solution
The fourth proportional to 11,475,474.09, 17,215,482.80 and 3,278,187.06 is: 4,917,929.53
Step by Step Solution
- Step 1: Write the proportion equation
11,475,474.09 : 17,215,482.80 = 3,278,187.06 : x - Step 2: Convert to fraction form
11,475,474.09/17,215,482.80 = 3,278,187.06/x - Step 3: Cross multiply
11,475,474.09x = 17,215,482.80 × 3,278,187.06 - Step 4: Simplify right side
11,475,474.09x = 56,435,572,946,612.57 - Step 5: Solve for x
x = 56,435,572,946,612.57/11,475,474.09 - Step 6: Final answer
x = 4,917,929.53
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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.