Finding the Fourth Proportional to 7,524,331.05, 10,386,747.56 and 5,080,249.20
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Solution
The fourth proportional to 7,524,331.05, 10,386,747.56 and 5,080,249.20 is: 7,012,884.68
Step by Step Solution
- Step 1: Write the proportion equation
7,524,331.05 : 10,386,747.56 = 5,080,249.20 : x - Step 2: Convert to fraction form
7,524,331.05/10,386,747.56 = 5,080,249.20/x - Step 3: Cross multiply
7,524,331.05x = 10,386,747.56 × 5,080,249.20 - Step 4: Simplify right side
7,524,331.05x = 52,767,265,956,890.70 - Step 5: Solve for x
x = 52,767,265,956,890.70/7,524,331.05 - Step 6: Final answer
x = 7,012,884.68
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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.