Finding the Fourth Proportional to 7,083,511.21, 9,774,347.92 and 4,027,791.07
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Solution
The fourth proportional to 7,083,511.21, 9,774,347.92 and 4,027,791.07 is: 5,557,841.32
Step by Step Solution
- Step 1: Write the proportion equation
7,083,511.21 : 9,774,347.92 = 4,027,791.07 : x - Step 2: Convert to fraction form
7,083,511.21/9,774,347.92 = 4,027,791.07/x - Step 3: Cross multiply
7,083,511.21x = 9,774,347.92 × 4,027,791.07 - Step 4: Simplify right side
7,083,511.21x = 39,369,031,267,249.07 - Step 5: Solve for x
x = 39,369,031,267,249.07/7,083,511.21 - Step 6: Final answer
x = 5,557,841.32
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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.