Finding the Fourth Proportional to 11,413,832.22, 15,751,291.41 and 6,187,011.57
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Solution
The fourth proportional to 11,413,832.22, 15,751,291.41 and 6,187,011.57 is: 8,538,185.98
Step by Step Solution
- Step 1: Write the proportion equation
11,413,832.22 : 15,751,291.41 = 6,187,011.57 : x - Step 2: Convert to fraction form
11,413,832.22/15,751,291.41 = 6,187,011.57/x - Step 3: Cross multiply
11,413,832.22x = 15,751,291.41 × 6,187,011.57 - Step 4: Simplify right side
11,413,832.22x = 97,453,422,196,111.62 - Step 5: Solve for x
x = 97,453,422,196,111.62/11,413,832.22 - Step 6: Final answer
x = 8,538,185.98
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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.