Finding the Fourth Proportional to 11,495,211.21, 15,863,275.94 and 6,268,206.54
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Solution
The fourth proportional to 11,495,211.21, 15,863,275.94 and 6,268,206.54 is: 8,650,062.03
Step by Step Solution
- Step 1: Write the proportion equation
11,495,211.21 : 15,863,275.94 = 6,268,206.54 : x - Step 2: Convert to fraction form
11,495,211.21/15,863,275.94 = 6,268,206.54/x - Step 3: Cross multiply
11,495,211.21x = 15,863,275.94 × 6,268,206.54 - Step 4: Simplify right side
11,495,211.21x = 99,434,289,961,591.62 - Step 5: Solve for x
x = 99,434,289,961,591.62/11,495,211.21 - Step 6: Final answer
x = 8,650,062.03
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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.