Finding the Fourth Proportional to 38,884,061.81, 53,661,635.49 and 22,364,190.99
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Solution
The fourth proportional to 38,884,061.81, 53,661,635.49 and 22,364,190.99 is: 30,863,521.17
Step by Step Solution
- Step 1: Write the proportion equation
38,884,061.81 : 53,661,635.49 = 22,364,190.99 : x - Step 2: Convert to fraction form
38,884,061.81/53,661,635.49 = 22,364,190.99/x - Step 3: Cross multiply
38,884,061.81x = 53,661,635.49 × 22,364,190.99 - Step 4: Simplify right side
38,884,061.81x = 1,200,099,064,934,122.25 - Step 5: Solve for x
x = 1,200,099,064,934,122.25/38,884,061.81 - Step 6: Final answer
x = 30,863,521.17
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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.