Finding the Fourth Proportional to 11,543,047.44, 15,929,874.36 and 6,386,325
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Solution
The fourth proportional to 11,543,047.44, 15,929,874.36 and 6,386,325 is: 8,813,387.92
Step by Step Solution
- Step 1: Write the proportion equation
11,543,047.44 : 15,929,874.36 = 6,386,325 : x - Step 2: Convert to fraction form
11,543,047.44/15,929,874.36 = 6,386,325/x - Step 3: Cross multiply
11,543,047.44x = 15,929,874.36 × 6,386,325 - Step 4: Simplify right side
11,543,047.44x = 101,733,354,872,127 - Step 5: Solve for x
x = 101,733,354,872,127/11,543,047.44 - Step 6: Final answer
x = 8,813,387.92
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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.