Finding the Fourth Proportional to 49,340,594.48, 68,090,826.72 and 27,013,208.12
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Solution
The fourth proportional to 49,340,594.48, 68,090,826.72 and 27,013,208.12 is: 37,278,668.66
Step by Step Solution
- Step 1: Write the proportion equation
49,340,594.48 : 68,090,826.72 = 27,013,208.12 : x - Step 2: Convert to fraction form
49,340,594.48/68,090,826.72 = 27,013,208.12/x - Step 3: Cross multiply
49,340,594.48x = 68,090,826.72 × 27,013,208.12 - Step 4: Simplify right side
49,340,594.48x = 1,839,351,673,250,217 - Step 5: Solve for x
x = 1,839,351,673,250,217/49,340,594.48 - Step 6: Final answer
x = 37,278,668.66
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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.