Finding the Fourth Proportional to 12,101,696.26, 16,700,341.05 and 6,669,188.26
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Solution
The fourth proportional to 12,101,696.26, 16,700,341.05 and 6,669,188.26 is: 9,203,479.91
Step by Step Solution
- Step 1: Write the proportion equation
12,101,696.26 : 16,700,341.05 = 6,669,188.26 : x - Step 2: Convert to fraction form
12,101,696.26/16,700,341.05 = 6,669,188.26/x - Step 3: Cross multiply
12,101,696.26x = 16,700,341.05 × 6,669,188.26 - Step 4: Simplify right side
12,101,696.26x = 111,377,718,426,905.23 - Step 5: Solve for x
x = 111,377,718,426,905.23/12,101,696.26 - Step 6: Final answer
x = 9,203,479.91
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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.