Finding the Fourth Proportional to 14,396,527.35, 19,761,455.48 and 12,728,393.10
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Solution
The fourth proportional to 14,396,527.35, 19,761,455.48 and 12,728,393.10 is: 17,471,683.79
Step by Step Solution
- Step 1: Write the proportion equation
14,396,527.35 : 19,761,455.48 = 12,728,393.10 : x - Step 2: Convert to fraction form
14,396,527.35/19,761,455.48 = 12,728,393.10/x - Step 3: Cross multiply
14,396,527.35x = 19,761,455.48 × 12,728,393.10 - Step 4: Simplify right side
14,396,527.35x = 251,531,573,513,947.22 - Step 5: Solve for x
x = 251,531,573,513,947.22/14,396,527.35 - Step 6: Final answer
x = 17,471,683.79
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.