Finding the Fourth Proportional to 19,557,367.26, 26,987,858.07 and 11,826,672.54
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Solution
The fourth proportional to 19,557,367.26, 26,987,858.07 and 11,826,672.54 is: 16,320,016.68
Step by Step Solution
- Step 1: Write the proportion equation
19,557,367.26 : 26,987,858.07 = 11,826,672.54 : x - Step 2: Convert to fraction form
19,557,367.26/26,987,858.07 = 11,826,672.54/x - Step 3: Cross multiply
19,557,367.26x = 26,987,858.07 × 11,826,672.54 - Step 4: Simplify right side
19,557,367.26x = 319,176,559,949,886.38 - Step 5: Solve for x
x = 319,176,559,949,886.38/19,557,367.26 - Step 6: Final answer
x = 16,320,016.68
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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.