Finding the Fourth Proportional to 19,557,368.26, 26,987,859.45 and 11,826,673.54
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Solution
The fourth proportional to 19,557,368.26, 26,987,859.45 and 11,826,673.54 is: 16,320,018.06
Step by Step Solution
- Step 1: Write the proportion equation
19,557,368.26 : 26,987,859.45 = 11,826,673.54 : x - Step 2: Convert to fraction form
19,557,368.26/26,987,859.45 = 11,826,673.54/x - Step 3: Cross multiply
19,557,368.26x = 26,987,859.45 × 11,826,673.54 - Step 4: Simplify right side
19,557,368.26x = 319,176,603,258,553.94 - Step 5: Solve for x
x = 319,176,603,258,553.94/19,557,368.26 - Step 6: Final answer
x = 16,320,018.06
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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.