Finding the Fourth Proportional to 11,170,125.53, 15,416,021.37 and 6,762,279.92
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Solution
The fourth proportional to 11,170,125.53, 15,416,021.37 and 6,762,279.92 is: 9,332,701.90
Step by Step Solution
- Step 1: Write the proportion equation
11,170,125.53 : 15,416,021.37 = 6,762,279.92 : x - Step 2: Convert to fraction form
11,170,125.53/15,416,021.37 = 6,762,279.92/x - Step 3: Cross multiply
11,170,125.53x = 15,416,021.37 × 6,762,279.92 - Step 4: Simplify right side
11,170,125.53x = 104,247,451,679,561.78 - Step 5: Solve for x
x = 104,247,451,679,561.78/11,170,125.53 - Step 6: Final answer
x = 9,332,701.90
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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.