Finding the Fourth Proportional to 50,517,634.95, 69,714,350.12 and 27,886,021.38
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Solution
The fourth proportional to 50,517,634.95, 69,714,350.12 and 27,886,021.38 is: 38,482,717.17
Step by Step Solution
- Step 1: Write the proportion equation
50,517,634.95 : 69,714,350.12 = 27,886,021.38 : x - Step 2: Convert to fraction form
50,517,634.95/69,714,350.12 = 27,886,021.38/x - Step 3: Cross multiply
50,517,634.95x = 69,714,350.12 × 27,886,021.38 - Step 4: Simplify right side
50,517,634.95x = 1,944,055,857,799,695.25 - Step 5: Solve for x
x = 1,944,055,857,799,695.25/50,517,634.95 - Step 6: Final answer
x = 38,482,717.17
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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.