Finding the Fourth Proportional to 11,546,694.86, 15,934,939.04 and 6,390,058.07
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Solution
The fourth proportional to 11,546,694.86, 15,934,939.04 and 6,390,058.07 is: 8,818,556.92
Step by Step Solution
- Step 1: Write the proportion equation
11,546,694.86 : 15,934,939.04 = 6,390,058.07 : x - Step 2: Convert to fraction form
11,546,694.86/15,934,939.04 = 6,390,058.07/x - Step 3: Cross multiply
11,546,694.86x = 15,934,939.04 × 6,390,058.07 - Step 4: Simplify right side
11,546,694.86x = 101,825,185,863,322.55 - Step 5: Solve for x
x = 101,825,185,863,322.55/11,546,694.86 - Step 6: Final answer
x = 8,818,556.92
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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.