Finding the Fourth Proportional to 11,463,685.38, 15,819,885.02 and 6,306,936.21
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Solution
The fourth proportional to 11,463,685.38, 15,819,885.02 and 6,306,936.21 is: 8,703,571.53
Step by Step Solution
- Step 1: Write the proportion equation
11,463,685.38 : 15,819,885.02 = 6,306,936.21 : x - Step 2: Convert to fraction form
11,463,685.38/15,819,885.02 = 6,306,936.21/x - Step 3: Cross multiply
11,463,685.38x = 15,819,885.02 × 6,306,936.21 - Step 4: Simplify right side
11,463,685.38x = 99,775,005,686,441.92 - Step 5: Solve for x
x = 99,775,005,686,441.92/11,463,685.38 - Step 6: Final answer
x = 8,703,571.53
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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.