Finding the Fourth Proportional to 18,446,749.60, 27,595,474.80 and 16,207,261.60
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Solution
The fourth proportional to 18,446,749.60, 27,595,474.80 and 16,207,261.60 is: 24,245,305.47
Step by Step Solution
- Step 1: Write the proportion equation
18,446,749.60 : 27,595,474.80 = 16,207,261.60 : x - Step 2: Convert to fraction form
18,446,749.60/27,595,474.80 = 16,207,261.60/x - Step 3: Cross multiply
18,446,749.60x = 27,595,474.80 × 16,207,261.60 - Step 4: Simplify right side
18,446,749.60x = 447,247,079,059,807.69 - Step 5: Solve for x
x = 447,247,079,059,807.69/18,446,749.60 - Step 6: Final answer
x = 24,245,305.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.