Finding the Fourth Proportional to 14,609,524.55, 20,156,247.99 and 8,414,447.22
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Solution
The fourth proportional to 14,609,524.55, 20,156,247.99 and 8,414,447.22 is: 11,609,117.35
Step by Step Solution
- Step 1: Write the proportion equation
14,609,524.55 : 20,156,247.99 = 8,414,447.22 : x - Step 2: Convert to fraction form
14,609,524.55/20,156,247.99 = 8,414,447.22/x - Step 3: Cross multiply
14,609,524.55x = 20,156,247.99 × 8,414,447.22 - Step 4: Simplify right side
14,609,524.55x = 169,603,684,865,086.09 - Step 5: Solve for x
x = 169,603,684,865,086.09/14,609,524.55 - Step 6: Final answer
x = 11,609,117.35
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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.