Finding the Fourth Proportional to 19,504,176.51, 26,915,961.38 and 11,767,723.95
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Solution
The fourth proportional to 19,504,176.51, 26,915,961.38 and 11,767,723.95 is: 16,239,578.39
Step by Step Solution
- Step 1: Write the proportion equation
19,504,176.51 : 26,915,961.38 = 11,767,723.95 : x - Step 2: Convert to fraction form
19,504,176.51/26,915,961.38 = 11,767,723.95/x - Step 3: Cross multiply
19,504,176.51x = 26,915,961.38 × 11,767,723.95 - Step 4: Simplify right side
19,504,176.51x = 316,739,603,309,862.44 - Step 5: Solve for x
x = 316,739,603,309,862.44/19,504,176.51 - Step 6: Final answer
x = 16,239,578.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.