Finding the Fourth Proportional to 14,176,706.75, 19,563,953.73 and 8,065,135.25
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Solution
The fourth proportional to 14,176,706.75, 19,563,953.73 and 8,065,135.25 is: 11,129,942.63
Step by Step Solution
- Step 1: Write the proportion equation
14,176,706.75 : 19,563,953.73 = 8,065,135.25 : x - Step 2: Convert to fraction form
14,176,706.75/19,563,953.73 = 8,065,135.25/x - Step 3: Cross multiply
14,176,706.75x = 19,563,953.73 × 8,065,135.25 - Step 4: Simplify right side
14,176,706.75x = 157,785,932,857,192 - Step 5: Solve for x
x = 157,785,932,857,192/14,176,706.75 - Step 6: Final answer
x = 11,129,942.63
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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.