Finding the Fourth Proportional to 10,324,842.13, 14,248,630.02 and 5,678,822.72
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Solution
The fourth proportional to 10,324,842.13, 14,248,630.02 and 5,678,822.72 is: 7,836,966.70
Step by Step Solution
- Step 1: Write the proportion equation
10,324,842.13 : 14,248,630.02 = 5,678,822.72 : x - Step 2: Convert to fraction form
10,324,842.13/14,248,630.02 = 5,678,822.72/x - Step 3: Cross multiply
10,324,842.13x = 14,248,630.02 × 5,678,822.72 - Step 4: Simplify right side
10,324,842.13x = 80,915,443,886,450.05 - Step 5: Solve for x
x = 80,915,443,886,450.05/10,324,842.13 - Step 6: Final answer
x = 7,836,966.70
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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.