Finding the Fourth Proportional to 7,260,326.46, 10,019,067.39 and 3,997,108.62
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Solution
The fourth proportional to 7,260,326.46, 10,019,067.39 and 3,997,108.62 is: 5,515,909.08
Step by Step Solution
- Step 1: Write the proportion equation
7,260,326.46 : 10,019,067.39 = 3,997,108.62 : x - Step 2: Convert to fraction form
7,260,326.46/10,019,067.39 = 3,997,108.62/x - Step 3: Cross multiply
7,260,326.46x = 10,019,067.39 × 3,997,108.62 - Step 4: Simplify right side
7,260,326.46x = 40,047,300,628,929.91 - Step 5: Solve for x
x = 40,047,300,628,929.91/7,260,326.46 - Step 6: Final answer
x = 5,515,909.08
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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.