Finding the Fourth Proportional to 11,133,818.54, 15,364,408.84 and 6,550,434.62
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Solution
The fourth proportional to 11,133,818.54, 15,364,408.84 and 6,550,434.62 is: 9,039,446.37
Step by Step Solution
- Step 1: Write the proportion equation
11,133,818.54 : 15,364,408.84 = 6,550,434.62 : x - Step 2: Convert to fraction form
11,133,818.54/15,364,408.84 = 6,550,434.62/x - Step 3: Cross multiply
11,133,818.54x = 15,364,408.84 × 6,550,434.62 - Step 4: Simplify right side
11,133,818.54x = 100,643,555,488,171.92 - Step 5: Solve for x
x = 100,643,555,488,171.92/11,133,818.54 - Step 6: Final answer
x = 9,039,446.37
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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.