Finding the Fourth Proportional to 16,244,584.40, 22,415,964.36 and 9,716,891.60
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Solution
The fourth proportional to 16,244,584.40, 22,415,964.36 and 9,716,891.60 is: 13,408,376.01
Step by Step Solution
- Step 1: Write the proportion equation
16,244,584.40 : 22,415,964.36 = 9,716,891.60 : x - Step 2: Convert to fraction form
16,244,584.40/22,415,964.36 = 9,716,891.60/x - Step 3: Cross multiply
16,244,584.40x = 22,415,964.36 × 9,716,891.60 - Step 4: Simplify right side
16,244,584.40x = 217,813,495,795,583.38 - Step 5: Solve for x
x = 217,813,495,795,583.38/16,244,584.40 - Step 6: Final answer
x = 13,408,376.01
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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.