Finding the Fourth Proportional to 11,524,997.55, 15,905,403.25 and 6,563,648.68
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Solution
The fourth proportional to 11,524,997.55, 15,905,403.25 and 6,563,648.68 is: 9,058,351.52
Step by Step Solution
- Step 1: Write the proportion equation
11,524,997.55 : 15,905,403.25 = 6,563,648.68 : x - Step 2: Convert to fraction form
11,524,997.55/15,905,403.25 = 6,563,648.68/x - Step 3: Cross multiply
11,524,997.55x = 15,905,403.25 × 6,563,648.68 - Step 4: Simplify right side
11,524,997.55x = 104,397,479,013,911.95 - Step 5: Solve for x
x = 104,397,479,013,911.95/11,524,997.55 - Step 6: Final answer
x = 9,058,351.52
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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.