Finding the Fourth Proportional to 6,995,455.53, 9,653,473.77 and 3,897,818.84
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Solution
The fourth proportional to 6,995,455.53, 9,653,473.77 and 3,897,818.84 is: 5,378,847.99
Step by Step Solution
- Step 1: Write the proportion equation
6,995,455.53 : 9,653,473.77 = 3,897,818.84 : x - Step 2: Convert to fraction form
6,995,455.53/9,653,473.77 = 3,897,818.84/x - Step 3: Cross multiply
6,995,455.53x = 9,653,473.77 × 3,897,818.84 - Step 4: Simplify right side
6,995,455.53x = 37,627,491,932,151.82 - Step 5: Solve for x
x = 37,627,491,932,151.82/6,995,455.53 - Step 6: Final answer
x = 5,378,847.99
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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.