Finding the Fourth Proportional to 19,683,817.61, 27,165,208.97 and 10,865,019.99
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Solution
The fourth proportional to 19,683,817.61, 27,165,208.97 and 10,865,019.99 is: 14,994,578.00
Step by Step Solution
- Step 1: Write the proportion equation
19,683,817.61 : 27,165,208.97 = 10,865,019.99 : x - Step 2: Convert to fraction form
19,683,817.61/27,165,208.97 = 10,865,019.99/x - Step 3: Cross multiply
19,683,817.61x = 27,165,208.97 × 10,865,019.99 - Step 4: Simplify right side
19,683,817.61x = 295,150,538,437,252.19 - Step 5: Solve for x
x = 295,150,538,437,252.19/19,683,817.61 - Step 6: Final answer
x = 14,994,578.00
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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.