Finding the Fourth Proportional to 47,112,986.26, 65,016,022.17 and 26,486,601.94
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Solution
The fourth proportional to 47,112,986.26, 65,016,022.17 and 26,486,601.94 is: 36,551,567.53
Step by Step Solution
- Step 1: Write the proportion equation
47,112,986.26 : 65,016,022.17 = 26,486,601.94 : x - Step 2: Convert to fraction form
47,112,986.26/65,016,022.17 = 26,486,601.94/x - Step 3: Cross multiply
47,112,986.26x = 65,016,022.17 × 26,486,601.94 - Step 4: Simplify right side
47,112,986.26x = 1,722,053,498,939,005.25 - Step 5: Solve for x
x = 1,722,053,498,939,005.25/47,112,986.26 - Step 6: Final answer
x = 36,551,567.53
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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.