Finding the Fourth Proportional to 19,741,651.84, 27,243,292.80 and 11,039,724.64
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Solution
The fourth proportional to 19,741,651.84, 27,243,292.80 and 11,039,724.64 is: 15,234,715.58
Step by Step Solution
- Step 1: Write the proportion equation
19,741,651.84 : 27,243,292.80 = 11,039,724.64 : x - Step 2: Convert to fraction form
19,741,651.84/27,243,292.80 = 11,039,724.64/x - Step 3: Cross multiply
19,741,651.84x = 27,243,292.80 × 11,039,724.64 - Step 4: Simplify right side
19,741,651.84x = 300,758,450,798,894.62 - Step 5: Solve for x
x = 300,758,450,798,894.62/19,741,651.84 - Step 6: Final answer
x = 15,234,715.58
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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.