Finding the Fourth Proportional to 11,125,519.46, 15,352,486.16 and 6,229,619.45
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Solution
The fourth proportional to 11,125,519.46, 15,352,486.16 and 6,229,619.45 is: 8,596,465.69
Step by Step Solution
- Step 1: Write the proportion equation
11,125,519.46 : 15,352,486.16 = 6,229,619.45 : x - Step 2: Convert to fraction form
11,125,519.46/15,352,486.16 = 6,229,619.45/x - Step 3: Cross multiply
11,125,519.46x = 15,352,486.16 × 6,229,619.45 - Step 4: Simplify right side
11,125,519.46x = 95,640,146,280,281.28 - Step 5: Solve for x
x = 95,640,146,280,281.28/11,125,519.46 - Step 6: Final answer
x = 8,596,465.69
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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.