Finding the Fourth Proportional to 11,480,491.49, 15,843,079.12 and 6,323,853.03
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Solution
The fourth proportional to 11,480,491.49, 15,843,079.12 and 6,323,853.03 is: 8,726,917.66
Step by Step Solution
- Step 1: Write the proportion equation
11,480,491.49 : 15,843,079.12 = 6,323,853.03 : x - Step 2: Convert to fraction form
11,480,491.49/15,843,079.12 = 6,323,853.03/x - Step 3: Cross multiply
11,480,491.49x = 15,843,079.12 × 6,323,853.03 - Step 4: Simplify right side
11,480,491.49x = 100,189,303,967,853.77 - Step 5: Solve for x
x = 100,189,303,967,853.77/11,480,491.49 - Step 6: Final answer
x = 8,726,917.66
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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.