Finding the Fourth Proportional to 18,144,629.70, 27,216,944.55 and 16,353,039.30
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Solution
The fourth proportional to 18,144,629.70, 27,216,944.55 and 16,353,039.30 is: 24,529,558.95
Step by Step Solution
- Step 1: Write the proportion equation
18,144,629.70 : 27,216,944.55 = 16,353,039.30 : x - Step 2: Convert to fraction form
18,144,629.70/27,216,944.55 = 16,353,039.30/x - Step 3: Cross multiply
18,144,629.70x = 27,216,944.55 × 16,353,039.30 - Step 4: Simplify right side
18,144,629.70x = 445,079,763,852,070.88 - Step 5: Solve for x
x = 445,079,763,852,070.88/18,144,629.70 - Step 6: Final answer
x = 24,529,558.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.