Finding the Fourth Proportional to 39,790,490.13, 59,685,730.11 and 11,036,625.57
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Solution
The fourth proportional to 39,790,490.13, 59,685,730.11 and 11,036,625.57 is: 16,554,936.94
Step by Step Solution
- Step 1: Write the proportion equation
39,790,490.13 : 59,685,730.11 = 11,036,625.57 : x - Step 2: Convert to fraction form
39,790,490.13/59,685,730.11 = 11,036,625.57/x - Step 3: Cross multiply
39,790,490.13x = 59,685,730.11 × 11,036,625.57 - Step 4: Simplify right side
39,790,490.13x = 658,729,055,096,144.88 - Step 5: Solve for x
x = 658,729,055,096,144.88/39,790,490.13 - Step 6: Final answer
x = 16,554,936.94
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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.