Finding the Fourth Proportional to 39,027,037.48, 53,855,497.38 and 21,385,835.26
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Solution
The fourth proportional to 39,027,037.48, 53,855,497.38 and 21,385,835.26 is: 29,511,458.45
Step by Step Solution
- Step 1: Write the proportion equation
39,027,037.48 : 53,855,497.38 = 21,385,835.26 : x - Step 2: Convert to fraction form
39,027,037.48/53,855,497.38 = 21,385,835.26/x - Step 3: Cross multiply
39,027,037.48x = 53,855,497.38 × 21,385,835.26 - Step 4: Simplify right side
39,027,037.48x = 1,151,744,794,759,599.75 - Step 5: Solve for x
x = 1,151,744,794,759,599.75/39,027,037.48 - Step 6: Final answer
x = 29,511,458.45
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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.