Finding the Fourth Proportional to 19,676,798.30, 27,154,075.97 and 10,856,249.13
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Solution
The fourth proportional to 19,676,798.30, 27,154,075.97 and 10,856,249.13 is: 14,981,675.84
Step by Step Solution
- Step 1: Write the proportion equation
19,676,798.30 : 27,154,075.97 = 10,856,249.13 : x - Step 2: Convert to fraction form
19,676,798.30/27,154,075.97 = 10,856,249.13/x - Step 3: Cross multiply
19,676,798.30x = 27,154,075.97 × 10,856,249.13 - Step 4: Simplify right side
19,676,798.30x = 294,791,413,625,266.44 - Step 5: Solve for x
x = 294,791,413,625,266.44/19,676,798.30 - Step 6: Final answer
x = 14,981,675.84
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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.