Finding the Fourth Proportional to 6,915,836.05, 10,366,755.67 and 4,074,485.65
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Solution
The fourth proportional to 6,915,836.05, 10,366,755.67 and 4,074,485.65 is: 6,107,605.34
Step by Step Solution
- Step 1: Write the proportion equation
6,915,836.05 : 10,366,755.67 = 4,074,485.65 : x - Step 2: Convert to fraction form
6,915,836.05/10,366,755.67 = 4,074,485.65/x - Step 3: Cross multiply
6,915,836.05x = 10,366,755.67 × 4,074,485.65 - Step 4: Simplify right side
6,915,836.05x = 42,239,197,214,471.13 - Step 5: Solve for x
x = 42,239,197,214,471.13/6,915,836.05 - Step 6: Final answer
x = 6,107,605.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.