Finding the Fourth Proportional to 10,798,057.78, 16,179,149.60 and 7,596,457.44
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Solution
The fourth proportional to 10,798,057.78, 16,179,149.60 and 7,596,457.44 is: 11,382,067.39
Step by Step Solution
- Step 1: Write the proportion equation
10,798,057.78 : 16,179,149.60 = 7,596,457.44 : x - Step 2: Convert to fraction form
10,798,057.78/16,179,149.60 = 7,596,457.44/x - Step 3: Cross multiply
10,798,057.78x = 16,179,149.60 × 7,596,457.44 - Step 4: Simplify right side
10,798,057.78x = 122,904,221,351,793.03 - Step 5: Solve for x
x = 122,904,221,351,793.03/10,798,057.78 - Step 6: Final answer
x = 11,382,067.39
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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.