Finding the Fourth Proportional to 11,295,484.05, 15,587,888.72 and 6,138,845.85
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Solution
The fourth proportional to 11,295,484.05, 15,587,888.72 and 6,138,845.85 is: 8,471,672.88
Step by Step Solution
- Step 1: Write the proportion equation
11,295,484.05 : 15,587,888.72 = 6,138,845.85 : x - Step 2: Convert to fraction form
11,295,484.05/15,587,888.72 = 6,138,845.85/x - Step 3: Cross multiply
11,295,484.05x = 15,587,888.72 × 6,138,845.85 - Step 4: Simplify right side
11,295,484.05x = 95,691,645,948,339.58 - Step 5: Solve for x
x = 95,691,645,948,339.58/11,295,484.05 - Step 6: Final answer
x = 8,471,672.88
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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.