Finding the Fourth Proportional to 17,093,951.70, 25,640,927.55 and 5,126,687.70
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Solution
The fourth proportional to 17,093,951.70, 25,640,927.55 and 5,126,687.70 is: 7,690,031.55
Step by Step Solution
- Step 1: Write the proportion equation
17,093,951.70 : 25,640,927.55 = 5,126,687.70 : x - Step 2: Convert to fraction form
17,093,951.70/25,640,927.55 = 5,126,687.70/x - Step 3: Cross multiply
17,093,951.70x = 25,640,927.55 × 5,126,687.70 - Step 4: Simplify right side
17,093,951.70x = 131,453,027,887,176.14 - Step 5: Solve for x
x = 131,453,027,887,176.14/17,093,951.70 - Step 6: Final answer
x = 7,690,031.55
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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.