Finding the Fourth Proportional to 11,110,879.20, 15,333,608.64 and 6,215,809.28
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Solution
The fourth proportional to 11,110,879.20, 15,333,608.64 and 6,215,809.28 is: 8,578,149.86
Step by Step Solution
- Step 1: Write the proportion equation
11,110,879.20 : 15,333,608.64 = 6,215,809.28 : x - Step 2: Convert to fraction form
11,110,879.20/15,333,608.64 = 6,215,809.28/x - Step 3: Cross multiply
11,110,879.20x = 15,333,608.64 × 6,215,809.28 - Step 4: Simplify right side
11,110,879.20x = 95,310,786,880,400.19 - Step 5: Solve for x
x = 95,310,786,880,400.19/11,110,879.20 - Step 6: Final answer
x = 8,578,149.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.