Finding the Fourth Proportional to 11,527,538.96, 15,915,340.51 and 7,183,007.84
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Solution
The fourth proportional to 11,527,538.96, 15,915,340.51 and 7,183,007.84 is: 9,917,122.47
Step by Step Solution
- Step 1: Write the proportion equation
11,527,538.96 : 15,915,340.51 = 7,183,007.84 : x - Step 2: Convert to fraction form
11,527,538.96/15,915,340.51 = 7,183,007.84/x - Step 3: Cross multiply
11,527,538.96x = 15,915,340.51 × 7,183,007.84 - Step 4: Simplify right side
11,527,538.96x = 114,320,015,583,896.22 - Step 5: Solve for x
x = 114,320,015,583,896.22/11,527,538.96 - Step 6: Final answer
x = 9,917,122.47
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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.