Finding the Fourth Proportional to 36,178,338.74, 49,926,422.74 and 19,658,463.26
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Solution
The fourth proportional to 36,178,338.74, 49,926,422.74 and 19,658,463.26 is: 27,128,850.61
Step by Step Solution
- Step 1: Write the proportion equation
36,178,338.74 : 49,926,422.74 = 19,658,463.26 : x - Step 2: Convert to fraction form
36,178,338.74/49,926,422.74 = 19,658,463.26/x - Step 3: Cross multiply
36,178,338.74x = 49,926,422.74 × 19,658,463.26 - Step 4: Simplify right side
36,178,338.74x = 981,476,747,137,518.62 - Step 5: Solve for x
x = 981,476,747,137,518.62/36,178,338.74 - Step 6: Final answer
x = 27,128,850.61
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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.