Finding the Fourth Proportional to 19,557,942.58, 26,991,668.73 and 11,411,804.98
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Solution
The fourth proportional to 19,557,942.58, 26,991,668.73 and 11,411,804.98 is: 15,749,287.45
Step by Step Solution
- Step 1: Write the proportion equation
19,557,942.58 : 26,991,668.73 = 11,411,804.98 : x - Step 2: Convert to fraction form
19,557,942.58/26,991,668.73 = 11,411,804.98/x - Step 3: Cross multiply
19,557,942.58x = 26,991,668.73 × 11,411,804.98 - Step 4: Simplify right side
19,557,942.58x = 308,023,659,631,524.31 - Step 5: Solve for x
x = 308,023,659,631,524.31/19,557,942.58 - Step 6: Final answer
x = 15,749,287.45
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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.