Finding the Fourth Proportional to 14,176,696.50, 19,563,939.59 and 8,065,125
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Solution
The fourth proportional to 14,176,696.50, 19,563,939.59 and 8,065,125 is: 11,129,928.49
Step by Step Solution
- Step 1: Write the proportion equation
14,176,696.50 : 19,563,939.59 = 8,065,125 : x - Step 2: Convert to fraction form
14,176,696.50/19,563,939.59 = 8,065,125/x - Step 3: Cross multiply
14,176,696.50x = 19,563,939.59 × 8,065,125 - Step 4: Simplify right side
14,176,696.50x = 157,785,618,245,473.12 - Step 5: Solve for x
x = 157,785,618,245,473.12/14,176,696.50 - Step 6: Final answer
x = 11,129,928.49
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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.