Finding the Fourth Proportional to 36,178,326.27, 49,926,405.58 and 19,658,450.79
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Solution
The fourth proportional to 36,178,326.27, 49,926,405.58 and 19,658,450.79 is: 27,128,833.43
Step by Step Solution
- Step 1: Write the proportion equation
36,178,326.27 : 49,926,405.58 = 19,658,450.79 : x - Step 2: Convert to fraction form
36,178,326.27/49,926,405.58 = 19,658,450.79/x - Step 3: Cross multiply
36,178,326.27x = 49,926,405.58 × 19,658,450.79 - Step 4: Simplify right side
36,178,326.27x = 981,475,787,166,865.25 - Step 5: Solve for x
x = 981,475,787,166,865.25/36,178,326.27 - Step 6: Final answer
x = 27,128,833.43
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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.