Finding the Fourth Proportional to 39,246,458.88, 54,161,896.68 and 21,843,918.30
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Solution
The fourth proportional to 39,246,458.88, 54,161,896.68 and 21,843,918.30 is: 30,145,599.88
Step by Step Solution
- Step 1: Write the proportion equation
39,246,458.88 : 54,161,896.68 = 21,843,918.30 : x - Step 2: Convert to fraction form
39,246,458.88/54,161,896.68 = 21,843,918.30/x - Step 3: Cross multiply
39,246,458.88x = 54,161,896.68 × 21,843,918.30 - Step 4: Simplify right side
39,246,458.88x = 1,183,108,046,050,961.25 - Step 5: Solve for x
x = 1,183,108,046,050,961.25/39,246,458.88 - Step 6: Final answer
x = 30,145,599.88
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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.