Finding the Fourth Proportional to 8,201,212.68, 11,317,628.44 and 4,530,381.80
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Solution
The fourth proportional to 8,201,212.68, 11,317,628.44 and 4,530,381.80 is: 6,251,901.99
Step by Step Solution
- Step 1: Write the proportion equation
8,201,212.68 : 11,317,628.44 = 4,530,381.80 : x - Step 2: Convert to fraction form
8,201,212.68/11,317,628.44 = 4,530,381.80/x - Step 3: Cross multiply
8,201,212.68x = 11,317,628.44 × 4,530,381.80 - Step 4: Simplify right side
8,201,212.68x = 51,273,177,903,738.39 - Step 5: Solve for x
x = 51,273,177,903,738.39/8,201,212.68 - Step 6: Final answer
x = 6,251,901.99
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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.