Finding the Fourth Proportional to 13,860,268.09, 20,788,813.83 and 3,626,115.48
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Solution
The fourth proportional to 13,860,268.09, 20,788,813.83 and 3,626,115.48 is: 5,438,757.69
Step by Step Solution
- Step 1: Write the proportion equation
13,860,268.09 : 20,788,813.83 = 3,626,115.48 : x - Step 2: Convert to fraction form
13,860,268.09/20,788,813.83 = 3,626,115.48/x - Step 3: Cross multiply
13,860,268.09x = 20,788,813.83 × 3,626,115.48 - Step 4: Simplify right side
13,860,268.09x = 75,382,639,639,801.08 - Step 5: Solve for x
x = 75,382,639,639,801.08/13,860,268.09 - Step 6: Final answer
x = 5,438,757.69
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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.