Finding the Fourth Proportional to 11,479,171.05, 15,841,272.26 and 6,252,199.74
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Solution
The fourth proportional to 11,479,171.05, 15,841,272.26 and 6,252,199.74 is: 8,628,044.47
Step by Step Solution
- Step 1: Write the proportion equation
11,479,171.05 : 15,841,272.26 = 6,252,199.74 : x - Step 2: Convert to fraction form
11,479,171.05/15,841,272.26 = 6,252,199.74/x - Step 3: Cross multiply
11,479,171.05x = 15,841,272.26 × 6,252,199.74 - Step 4: Simplify right side
11,479,171.05x = 99,042,798,305,241.22 - Step 5: Solve for x
x = 99,042,798,305,241.22/11,479,171.05 - Step 6: Final answer
x = 8,628,044.47
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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.