Finding the Fourth Proportional to 11,016,726.94, 15,202,527.68 and 6,121,843.92
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Solution
The fourth proportional to 11,016,726.94, 15,202,527.68 and 6,121,843.92 is: 8,447,835.93
Step by Step Solution
- Step 1: Write the proportion equation
11,016,726.94 : 15,202,527.68 = 6,121,843.92 : x - Step 2: Convert to fraction form
11,016,726.94/15,202,527.68 = 6,121,843.92/x - Step 3: Cross multiply
11,016,726.94x = 15,202,527.68 × 6,121,843.92 - Step 4: Simplify right side
11,016,726.94x = 93,067,501,646,439.70 - Step 5: Solve for x
x = 93,067,501,646,439.70/11,016,726.94 - Step 6: Final answer
x = 8,447,835.93
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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.