Finding the Fourth Proportional to 11,886,351.29, 16,403,225.30 and 6,730,717.49
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Solution
The fourth proportional to 11,886,351.29, 16,403,225.30 and 6,730,717.49 is: 9,288,424.41
Step by Step Solution
- Step 1: Write the proportion equation
11,886,351.29 : 16,403,225.30 = 6,730,717.49 : x - Step 2: Convert to fraction form
11,886,351.29/16,403,225.30 = 6,730,717.49/x - Step 3: Cross multiply
11,886,351.29x = 16,403,225.30 × 6,730,717.49 - Step 4: Simplify right side
11,886,351.29x = 110,405,475,419,120.50 - Step 5: Solve for x
x = 110,405,475,419,120.50/11,886,351.29 - Step 6: Final answer
x = 9,288,424.41
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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.