Finding the Fourth Proportional to 11,344,057.74, 15,656,123.28 and 6,450,013.20
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Solution
The fourth proportional to 11,344,057.74, 15,656,123.28 and 6,450,013.20 is: 8,901,770.79
Step by Step Solution
- Step 1: Write the proportion equation
11,344,057.74 : 15,656,123.28 = 6,450,013.20 : x - Step 2: Convert to fraction form
11,344,057.74/15,656,123.28 = 6,450,013.20/x - Step 3: Cross multiply
11,344,057.74x = 15,656,123.28 × 6,450,013.20 - Step 4: Simplify right side
11,344,057.74x = 100,982,201,816,827.30 - Step 5: Solve for x
x = 100,982,201,816,827.30/11,344,057.74 - Step 6: Final answer
x = 8,901,770.79
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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.