Finding the Fourth Proportional to 11,068,104.89, 15,274,005.71 and 6,173,643.99
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Solution
The fourth proportional to 11,068,104.89, 15,274,005.71 and 6,173,643.99 is: 8,519,640.40
Step by Step Solution
- Step 1: Write the proportion equation
11,068,104.89 : 15,274,005.71 = 6,173,643.99 : x - Step 2: Convert to fraction form
11,068,104.89/15,274,005.71 = 6,173,643.99/x - Step 3: Cross multiply
11,068,104.89x = 15,274,005.71 × 6,173,643.99 - Step 4: Simplify right side
11,068,104.89x = 94,296,273,523,898.97 - Step 5: Solve for x
x = 94,296,273,523,898.97/11,068,104.89 - Step 6: Final answer
x = 8,519,640.40
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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.