Finding the Fourth Proportional to 16,307,234.20, 24,431,326.80 and 12,917,821.60
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Solution
The fourth proportional to 16,307,234.20, 24,431,326.80 and 12,917,821.60 is: 19,353,344.48
Step by Step Solution
- Step 1: Write the proportion equation
16,307,234.20 : 24,431,326.80 = 12,917,821.60 : x - Step 2: Convert to fraction form
16,307,234.20/24,431,326.80 = 12,917,821.60/x - Step 3: Cross multiply
16,307,234.20x = 24,431,326.80 × 12,917,821.60 - Step 4: Simplify right side
16,307,234.20x = 315,599,521,053,698.88 - Step 5: Solve for x
x = 315,599,521,053,698.88/16,307,234.20 - Step 6: Final answer
x = 19,353,344.48
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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.