Finding the Fourth Proportional to 11,238,879.20, 15,509,702.76 and 6,082,241.54
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Solution
The fourth proportional to 11,238,879.20, 15,509,702.76 and 6,082,241.54 is: 8,393,520.09
Step by Step Solution
- Step 1: Write the proportion equation
11,238,879.20 : 15,509,702.76 = 6,082,241.54 : x - Step 2: Convert to fraction form
11,238,879.20/15,509,702.76 = 6,082,241.54/x - Step 3: Cross multiply
11,238,879.20x = 15,509,702.76 × 6,082,241.54 - Step 4: Simplify right side
11,238,879.20x = 94,333,758,399,924.66 - Step 5: Solve for x
x = 94,333,758,399,924.66/11,238,879.20 - Step 6: Final answer
x = 8,393,520.09
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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.