Finding the Fourth Proportional to 19,647,618.93, 26,917,335.05 and 18,911,268.18
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Solution
The fourth proportional to 19,647,618.93, 26,917,335.05 and 18,911,268.18 is: 25,908,530.88
Step by Step Solution
- Step 1: Write the proportion equation
19,647,618.93 : 26,917,335.05 = 18,911,268.18 : x - Step 2: Convert to fraction form
19,647,618.93/26,917,335.05 = 18,911,268.18/x - Step 3: Cross multiply
19,647,618.93x = 26,917,335.05 × 18,911,268.18 - Step 4: Simplify right side
19,647,618.93x = 509,040,941,726,907.38 - Step 5: Solve for x
x = 509,040,941,726,907.38/19,647,618.93 - Step 6: Final answer
x = 25,908,530.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.