Finding the Fourth Proportional to 49,340,676.37, 68,090,935.98 and 27,013,287.19
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Solution
The fourth proportional to 49,340,676.37, 68,090,935.98 and 27,013,287.19 is: 37,278,775.73
Step by Step Solution
- Step 1: Write the proportion equation
49,340,676.37 : 68,090,935.98 = 27,013,287.19 : x - Step 2: Convert to fraction form
49,340,676.37/68,090,935.98 = 27,013,287.19/x - Step 3: Cross multiply
49,340,676.37x = 68,090,935.98 × 27,013,287.19 - Step 4: Simplify right side
49,340,676.37x = 1,839,360,008,663,644.25 - Step 5: Solve for x
x = 1,839,360,008,663,644.25/49,340,676.37 - Step 6: Final answer
x = 37,278,775.73
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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.