Finding the Fourth Proportional to 18,435,702.70, 27,653,554.05 and 8,846,145.10
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Solution
The fourth proportional to 18,435,702.70, 27,653,554.05 and 8,846,145.10 is: 13,269,217.65
Step by Step Solution
- Step 1: Write the proportion equation
18,435,702.70 : 27,653,554.05 = 8,846,145.10 : x - Step 2: Convert to fraction form
18,435,702.70/27,653,554.05 = 8,846,145.10/x - Step 3: Cross multiply
18,435,702.70x = 27,653,554.05 × 8,846,145.10 - Step 4: Simplify right side
18,435,702.70x = 244,627,351,656,992.66 - Step 5: Solve for x
x = 244,627,351,656,992.66/18,435,702.70 - Step 6: Final answer
x = 13,269,217.65
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1.5x scale
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.