Finding the Fourth Proportional to 11,247,907.92, 15,522,031.80 and 6,091,149.84
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Solution
The fourth proportional to 11,247,907.92, 15,522,031.80 and 6,091,149.84 is: 8,405,742.84
Step by Step Solution
- Step 1: Write the proportion equation
11,247,907.92 : 15,522,031.80 = 6,091,149.84 : x - Step 2: Convert to fraction form
11,247,907.92/15,522,031.80 = 6,091,149.84/x - Step 3: Cross multiply
11,247,907.92x = 15,522,031.80 × 6,091,149.84 - Step 4: Simplify right side
11,247,907.92x = 94,547,021,515,044.92 - Step 5: Solve for x
x = 94,547,021,515,044.92/11,247,907.92 - Step 6: Final answer
x = 8,405,742.84
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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.