Finding the Fourth Proportional to 17,961,634.19, 26,844,043.74 and 13,114,160.82
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Solution
The fourth proportional to 17,961,634.19, 26,844,043.74 and 13,114,160.82 is: 19,599,391.85
Step by Step Solution
- Step 1: Write the proportion equation
17,961,634.19 : 26,844,043.74 = 13,114,160.82 : x - Step 2: Convert to fraction form
17,961,634.19/26,844,043.74 = 13,114,160.82/x - Step 3: Cross multiply
17,961,634.19x = 26,844,043.74 × 13,114,160.82 - Step 4: Simplify right side
17,961,634.19x = 352,037,106,665,474.25 - Step 5: Solve for x
x = 352,037,106,665,474.25/17,961,634.19 - Step 6: Final answer
x = 19,599,391.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.