Finding the Fourth Proportional to 18,461,708.70, 27,692,563.05 and 16,335,944.70
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Solution
The fourth proportional to 18,461,708.70, 27,692,563.05 and 16,335,944.70 is: 24,503,917.05
Step by Step Solution
- Step 1: Write the proportion equation
18,461,708.70 : 27,692,563.05 = 16,335,944.70 : x - Step 2: Convert to fraction form
18,461,708.70/27,692,563.05 = 16,335,944.70/x - Step 3: Cross multiply
18,461,708.70x = 27,692,563.05 × 16,335,944.70 - Step 4: Simplify right side
18,461,708.70x = 452,384,178,586,063.31 - Step 5: Solve for x
x = 452,384,178,586,063.31/18,461,708.70 - Step 6: Final answer
x = 24,503,917.05
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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.