Finding the Fourth Proportional to 36,509,693.14, 50,381,458.59 and 19,986,651.19
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Solution
The fourth proportional to 36,509,693.14, 50,381,458.59 and 19,986,651.19 is: 27,580,528.69
Step by Step Solution
- Step 1: Write the proportion equation
36,509,693.14 : 50,381,458.59 = 19,986,651.19 : x - Step 2: Convert to fraction form
36,509,693.14/50,381,458.59 = 19,986,651.19/x - Step 3: Cross multiply
36,509,693.14x = 50,381,458.59 × 19,986,651.19 - Step 4: Simplify right side
36,509,693.14x = 1,006,956,639,281,759.38 - Step 5: Solve for x
x = 1,006,956,639,281,759.38/36,509,693.14 - Step 6: Final answer
x = 27,580,528.69
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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.