Finding the Fourth Proportional to 11,086,757.84, 15,291,295.26 and 9,540,625.52
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Solution
The fourth proportional to 11,086,757.84, 15,291,295.26 and 9,540,625.52 is: 13,158,808.36
Step by Step Solution
- Step 1: Write the proportion equation
11,086,757.84 : 15,291,295.26 = 9,540,625.52 : x - Step 2: Convert to fraction form
11,086,757.84/15,291,295.26 = 9,540,625.52/x - Step 3: Cross multiply
11,086,757.84x = 15,291,295.26 × 9,540,625.52 - Step 4: Simplify right side
11,086,757.84x = 145,888,521,791,411.03 - Step 5: Solve for x
x = 145,888,521,791,411.03/11,086,757.84 - Step 6: Final answer
x = 13,158,808.36
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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.