Finding the Fourth Proportional to 19,012,656.72, 26,236,757.84 and 11,273,067.84
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Solution
The fourth proportional to 19,012,656.72, 26,236,757.84 and 11,273,067.84 is: 15,556,413.57
Step by Step Solution
- Step 1: Write the proportion equation
19,012,656.72 : 26,236,757.84 = 11,273,067.84 : x - Step 2: Convert to fraction form
19,012,656.72/26,236,757.84 = 11,273,067.84/x - Step 3: Cross multiply
19,012,656.72x = 26,236,757.84 × 11,273,067.84 - Step 4: Simplify right side
19,012,656.72x = 295,768,751,031,971.88 - Step 5: Solve for x
x = 295,768,751,031,971.88/19,012,656.72 - Step 6: Final answer
x = 15,556,413.57
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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.