Finding the Fourth Proportional to 11,136,992.28, 15,369,471.81 and 6,242,304.84
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Solution
The fourth proportional to 11,136,992.28, 15,369,471.81 and 6,242,304.84 is: 8,614,617.47
Step by Step Solution
- Step 1: Write the proportion equation
11,136,992.28 : 15,369,471.81 = 6,242,304.84 : x - Step 2: Convert to fraction form
11,136,992.28/15,369,471.81 = 6,242,304.84/x - Step 3: Cross multiply
11,136,992.28x = 15,369,471.81 × 6,242,304.84 - Step 4: Simplify right side
11,136,992.28x = 95,940,928,267,806.56 - Step 5: Solve for x
x = 95,940,928,267,806.56/11,136,992.28 - Step 6: Final answer
x = 8,614,617.47
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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.