Finding the Fourth Proportional to 13,546,682.19, 18,689,595.35 and 8,035,835.85
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Solution
The fourth proportional to 13,546,682.19, 18,689,595.35 and 8,035,835.85 is: 11,086,590.66
Step by Step Solution
- Step 1: Write the proportion equation
13,546,682.19 : 18,689,595.35 = 8,035,835.85 : x - Step 2: Convert to fraction form
13,546,682.19/18,689,595.35 = 8,035,835.85/x - Step 3: Cross multiply
13,546,682.19x = 18,689,595.35 × 8,035,835.85 - Step 4: Simplify right side
13,546,682.19x = 150,186,520,295,344.09 - Step 5: Solve for x
x = 150,186,520,295,344.09/13,546,682.19 - Step 6: Final answer
x = 11,086,590.66
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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.