Finding the Fourth Proportional to 11,541,047.42, 15,926,174.79 and 6,646,453.94
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Solution
The fourth proportional to 11,541,047.42, 15,926,174.79 and 6,646,453.94 is: 9,171,835.39
Step by Step Solution
- Step 1: Write the proportion equation
11,541,047.42 : 15,926,174.79 = 6,646,453.94 : x - Step 2: Convert to fraction form
11,541,047.42/15,926,174.79 = 6,646,453.94/x - Step 3: Cross multiply
11,541,047.42x = 15,926,174.79 × 6,646,453.94 - Step 4: Simplify right side
11,541,047.42x = 105,852,587,182,124.17 - Step 5: Solve for x
x = 105,852,587,182,124.17/11,541,047.42 - Step 6: Final answer
x = 9,171,835.39
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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.