Finding the Fourth Proportional to 7,772,505.74, 11,668,861.49 and 5,976,650.33
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Solution
The fourth proportional to 7,772,505.74, 11,668,861.49 and 5,976,650.33 is: 8,972,744.08
Step by Step Solution
- Step 1: Write the proportion equation
7,772,505.74 : 11,668,861.49 = 5,976,650.33 : x - Step 2: Convert to fraction form
7,772,505.74/11,668,861.49 = 5,976,650.33/x - Step 3: Cross multiply
7,772,505.74x = 11,668,861.49 × 5,976,650.33 - Step 4: Simplify right side
7,772,505.74x = 69,740,704,786,705.23 - Step 5: Solve for x
x = 69,740,704,786,705.23/7,772,505.74 - Step 6: Final answer
x = 8,972,744.08
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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.