Finding the Fourth Proportional to 49,689,257.40, 68,572,809.78 and 27,364,623.84
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Solution
The fourth proportional to 49,689,257.40, 68,572,809.78 and 27,364,623.84 is: 37,764,081.08
Step by Step Solution
- Step 1: Write the proportion equation
49,689,257.40 : 68,572,809.78 = 27,364,623.84 : x - Step 2: Convert to fraction form
49,689,257.40/68,572,809.78 = 27,364,623.84/x - Step 3: Cross multiply
49,689,257.40x = 68,572,809.78 × 27,364,623.84 - Step 4: Simplify right side
49,689,257.40x = 1,876,469,145,281,573.25 - Step 5: Solve for x
x = 1,876,469,145,281,573.25/49,689,257.40 - Step 6: Final answer
x = 37,764,081.08
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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.