Finding the Fourth Proportional to 13,137,504.40, 18,138,286.83 and 11,758,459.96
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Solution
The fourth proportional to 13,137,504.40, 18,138,286.83 and 11,758,459.96 is: 16,234,310.03
Step by Step Solution
- Step 1: Write the proportion equation
13,137,504.40 : 18,138,286.83 = 11,758,459.96 : x - Step 2: Convert to fraction form
13,137,504.40/18,138,286.83 = 11,758,459.96/x - Step 3: Cross multiply
13,137,504.40x = 18,138,286.83 × 11,758,459.96 - Step 4: Simplify right side
13,137,504.40x = 213,278,319,433,550.31 - Step 5: Solve for x
x = 213,278,319,433,550.31/13,137,504.40 - Step 6: Final answer
x = 16,234,310.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.