Finding the Fourth Proportional to 11,403,760.46, 15,737,580.99 and 6,247,120.64
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Solution
The fourth proportional to 11,403,760.46, 15,737,580.99 and 6,247,120.64 is: 8,621,240.98
Step by Step Solution
- Step 1: Write the proportion equation
11,403,760.46 : 15,737,580.99 = 6,247,120.64 : x - Step 2: Convert to fraction form
11,403,760.46/15,737,580.99 = 6,247,120.64/x - Step 3: Cross multiply
11,403,760.46x = 15,737,580.99 × 6,247,120.64 - Step 4: Simplify right side
11,403,760.46x = 98,314,566,947,612.72 - Step 5: Solve for x
x = 98,314,566,947,612.72/11,403,760.46 - Step 6: Final answer
x = 8,621,240.98
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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.