Finding the Fourth Proportional to 6,915,837.05, 10,366,757.18 and 4,074,486.65
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Solution
The fourth proportional to 6,915,837.05, 10,366,757.18 and 4,074,486.65 is: 6,107,606.85
Step by Step Solution
- Step 1: Write the proportion equation
6,915,837.05 : 10,366,757.18 = 4,074,486.65 : x - Step 2: Convert to fraction form
6,915,837.05/10,366,757.18 = 4,074,486.65/x - Step 3: Cross multiply
6,915,837.05x = 10,366,757.18 × 4,074,486.65 - Step 4: Simplify right side
6,915,837.05x = 42,239,213,713,329.22 - Step 5: Solve for x
x = 42,239,213,713,329.22/6,915,837.05 - Step 6: Final answer
x = 6,107,606.85
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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.