Finding the Fourth Proportional to 8,515,579.97, 12,773,249.64 and 3,964,083.05
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Solution
The fourth proportional to 8,515,579.97, 12,773,249.64 and 3,964,083.05 is: 5,946,068.56
Step by Step Solution
- Step 1: Write the proportion equation
8,515,579.97 : 12,773,249.64 = 3,964,083.05 : x - Step 2: Convert to fraction form
8,515,579.97/12,773,249.64 = 3,964,083.05/x - Step 3: Cross multiply
8,515,579.97x = 12,773,249.64 × 3,964,083.05 - Step 4: Simplify right side
8,515,579.97x = 50,634,222,327,476.35 - Step 5: Solve for x
x = 50,634,222,327,476.35/8,515,579.97 - Step 6: Final answer
x = 5,946,068.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.