Finding the Fourth Proportional to 11,239,014.92, 15,509,840.40 and 6,082,376.47
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Solution
The fourth proportional to 11,239,014.92, 15,509,840.40 and 6,082,376.47 is: 8,393,679.43
Step by Step Solution
- Step 1: Write the proportion equation
11,239,014.92 : 15,509,840.40 = 6,082,376.47 : x - Step 2: Convert to fraction form
11,239,014.92/15,509,840.40 = 6,082,376.47/x - Step 3: Cross multiply
11,239,014.92x = 15,509,840.40 × 6,082,376.47 - Step 4: Simplify right side
11,239,014.92x = 94,336,688,263,640.80 - Step 5: Solve for x
x = 94,336,688,263,640.80/11,239,014.92 - Step 6: Final answer
x = 8,393,679.43
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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.