Finding the Fourth Proportional to 11,768,213.47, 16,239,720.37 and 6,469,869.82
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Solution
The fourth proportional to 11,768,213.47, 16,239,720.37 and 6,469,869.82 is: 8,928,192.62
Step by Step Solution
- Step 1: Write the proportion equation
11,768,213.47 : 16,239,720.37 = 6,469,869.82 : x - Step 2: Convert to fraction form
11,768,213.47/16,239,720.37 = 6,469,869.82/x - Step 3: Cross multiply
11,768,213.47x = 16,239,720.37 × 6,469,869.82 - Step 4: Simplify right side
11,768,213.47x = 105,068,876,650,328.25 - Step 5: Solve for x
x = 105,068,876,650,328.25/11,768,213.47 - Step 6: Final answer
x = 8,928,192.62
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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.