Finding the Fourth Proportional to 8,173,043.30, 11,278,799.84 and 4,501,948.54
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Solution
The fourth proportional to 8,173,043.30, 11,278,799.84 and 4,501,948.54 is: 6,212,689.03
Step by Step Solution
- Step 1: Write the proportion equation
8,173,043.30 : 11,278,799.84 = 4,501,948.54 : x - Step 2: Convert to fraction form
8,173,043.30/11,278,799.84 = 4,501,948.54/x - Step 3: Cross multiply
8,173,043.30x = 11,278,799.84 × 4,501,948.54 - Step 4: Simplify right side
8,173,043.30x = 50,776,576,472,640.23 - Step 5: Solve for x
x = 50,776,576,472,640.23/8,173,043.30 - Step 6: Final answer
x = 6,212,689.03
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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.