Finding the Fourth Proportional to 7,049,037.81, 9,727,672.17 and 3,993,252.06
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Solution
The fourth proportional to 7,049,037.81, 9,727,672.17 and 3,993,252.06 is: 5,510,687.84
Step by Step Solution
- Step 1: Write the proportion equation
7,049,037.81 : 9,727,672.17 = 3,993,252.06 : x - Step 2: Convert to fraction form
7,049,037.81/9,727,672.17 = 3,993,252.06/x - Step 3: Cross multiply
7,049,037.81x = 9,727,672.17 × 3,993,252.06 - Step 4: Simplify right side
7,049,037.81x = 38,845,046,883,218.81 - Step 5: Solve for x
x = 38,845,046,883,218.81/7,049,037.81 - Step 6: Final answer
x = 5,510,687.84
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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.