Finding the Fourth Proportional to 27,318,512.14, 37,701,695.81 and 15,558,277.79
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Solution
The fourth proportional to 27,318,512.14, 37,701,695.81 and 15,558,277.79 is: 21,471,647.28
Step by Step Solution
- Step 1: Write the proportion equation
27,318,512.14 : 37,701,695.81 = 15,558,277.79 : x - Step 2: Convert to fraction form
27,318,512.14/37,701,695.81 = 15,558,277.79/x - Step 3: Cross multiply
27,318,512.14x = 37,701,695.81 × 15,558,277.79 - Step 4: Simplify right side
27,318,512.14x = 586,573,456,699,209 - Step 5: Solve for x
x = 586,573,456,699,209/27,318,512.14 - Step 6: Final answer
x = 21,471,647.28
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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.