Finding the Fourth Proportional to 39,790,486.63, 59,685,724.86 and 11,036,622.07
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Solution
The fourth proportional to 39,790,486.63, 59,685,724.86 and 11,036,622.07 is: 16,554,931.69
Step by Step Solution
- Step 1: Write the proportion equation
39,790,486.63 : 59,685,724.86 = 11,036,622.07 : x - Step 2: Convert to fraction form
39,790,486.63/59,685,724.86 = 11,036,622.07/x - Step 3: Cross multiply
39,790,486.63x = 59,685,724.86 × 11,036,622.07 - Step 4: Simplify right side
39,790,486.63x = 658,728,788,253,823.62 - Step 5: Solve for x
x = 658,728,788,253,823.62/39,790,486.63 - Step 6: Final answer
x = 16,554,931.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.