Finding the Fourth Proportional to 11,277,876.62, 15,563,052.78 and 6,121,127.46
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Solution
The fourth proportional to 11,277,876.62, 15,563,052.78 and 6,121,127.46 is: 8,446,929.59
Step by Step Solution
- Step 1: Write the proportion equation
11,277,876.62 : 15,563,052.78 = 6,121,127.46 : x - Step 2: Convert to fraction form
11,277,876.62/15,563,052.78 = 6,121,127.46/x - Step 3: Cross multiply
11,277,876.62x = 15,563,052.78 × 6,121,127.46 - Step 4: Simplify right side
11,277,876.62x = 95,263,429,733,087.33 - Step 5: Solve for x
x = 95,263,429,733,087.33/11,277,876.62 - Step 6: Final answer
x = 8,446,929.59
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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.