Finding the Fourth Proportional to 19,683,817.11, 27,165,208.28 and 10,865,019.49
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Solution
The fourth proportional to 19,683,817.11, 27,165,208.28 and 10,865,019.49 is: 14,994,577.31
Step by Step Solution
- Step 1: Write the proportion equation
19,683,817.11 : 27,165,208.28 = 10,865,019.49 : x - Step 2: Convert to fraction form
19,683,817.11/27,165,208.28 = 10,865,019.49/x - Step 3: Cross multiply
19,683,817.11x = 27,165,208.28 × 10,865,019.49 - Step 4: Simplify right side
19,683,817.11x = 295,150,517,412,109.38 - Step 5: Solve for x
x = 295,150,517,412,109.38/19,683,817.11 - Step 6: Final answer
x = 14,994,577.31
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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.