Finding the Fourth Proportional to 36,231,160.21, 49,999,218.53 and 19,711,403.28
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Solution
The fourth proportional to 36,231,160.21, 49,999,218.53 and 19,711,403.28 is: 27,201,854.82
Step by Step Solution
- Step 1: Write the proportion equation
36,231,160.21 : 49,999,218.53 = 19,711,403.28 : x - Step 2: Convert to fraction form
36,231,160.21/49,999,218.53 = 19,711,403.28/x - Step 3: Cross multiply
36,231,160.21x = 49,999,218.53 × 19,711,403.28 - Step 4: Simplify right side
36,231,160.21x = 985,554,760,031,121.75 - Step 5: Solve for x
x = 985,554,760,031,121.75/36,231,160.21 - Step 6: Final answer
x = 27,201,854.82
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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.