Finding the Fourth Proportional to 11,514,850.56, 15,890,517.36 and 6,358,222.08
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Solution
The fourth proportional to 11,514,850.56, 15,890,517.36 and 6,358,222.08 is: 8,774,359.49
Step by Step Solution
- Step 1: Write the proportion equation
11,514,850.56 : 15,890,517.36 = 6,358,222.08 : x - Step 2: Convert to fraction form
11,514,850.56/15,890,517.36 = 6,358,222.08/x - Step 3: Cross multiply
11,514,850.56x = 15,890,517.36 × 6,358,222.08 - Step 4: Simplify right side
11,514,850.56x = 101,035,438,340,975.31 - Step 5: Solve for x
x = 101,035,438,340,975.31/11,514,850.56 - Step 6: Final answer
x = 8,774,359.49
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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.