Finding the Fourth Proportional to 14,624,680.61, 20,181,813.39 and 8,098,169.99
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Solution
The fourth proportional to 14,624,680.61, 20,181,813.39 and 8,098,169.99 is: 11,175,338.44
Step by Step Solution
- Step 1: Write the proportion equation
14,624,680.61 : 20,181,813.39 = 8,098,169.99 : x - Step 2: Convert to fraction form
14,624,680.61/20,181,813.39 = 8,098,169.99/x - Step 3: Cross multiply
14,624,680.61x = 20,181,813.39 × 8,098,169.99 - Step 4: Simplify right side
14,624,680.61x = 163,435,755,437,769.12 - Step 5: Solve for x
x = 163,435,755,437,769.12/14,624,680.61 - Step 6: Final answer
x = 11,175,338.44
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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.