Finding the Fourth Proportional to 18,799,608.29, 28,201,521.68 and 16,868,648.88
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Solution
The fourth proportional to 18,799,608.29, 28,201,521.68 and 16,868,648.88 is: 25,304,865.92
Step by Step Solution
- Step 1: Write the proportion equation
18,799,608.29 : 28,201,521.68 = 16,868,648.88 : x - Step 2: Convert to fraction form
18,799,608.29/28,201,521.68 = 16,868,648.88/x - Step 3: Cross multiply
18,799,608.29x = 28,201,521.68 × 16,868,648.88 - Step 4: Simplify right side
18,799,608.29x = 475,721,567,101,627.69 - Step 5: Solve for x
x = 475,721,567,101,627.69/18,799,608.29 - Step 6: Final answer
x = 25,304,865.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.