Finding the Fourth Proportional to 8,186,717.84, 11,297,472.68 and 4,515,555.59
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Solution
The fourth proportional to 8,186,717.84, 11,297,472.68 and 4,515,555.59 is: 6,231,357.53
Step by Step Solution
- Step 1: Write the proportion equation
8,186,717.84 : 11,297,472.68 = 4,515,555.59 : x - Step 2: Convert to fraction form
8,186,717.84/11,297,472.68 = 4,515,555.59/x - Step 3: Cross multiply
8,186,717.84x = 11,297,472.68 × 4,515,555.59 - Step 4: Simplify right side
8,186,717.84x = 51,014,365,833,981.14 - Step 5: Solve for x
x = 51,014,365,833,981.14/8,186,717.84 - Step 6: Final answer
x = 6,231,357.53
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1.5x scale
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.