Finding the Fourth Proportional to 16,307,234.70, 24,431,327.55 and 12,917,822.10
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Solution
The fourth proportional to 16,307,234.70, 24,431,327.55 and 12,917,822.10 is: 19,353,345.23
Step by Step Solution
- Step 1: Write the proportion equation
16,307,234.70 : 24,431,327.55 = 12,917,822.10 : x - Step 2: Convert to fraction form
16,307,234.70/24,431,327.55 = 12,917,822.10/x - Step 3: Cross multiply
16,307,234.70x = 24,431,327.55 × 12,917,822.10 - Step 4: Simplify right side
16,307,234.70x = 315,599,542,957,728.88 - Step 5: Solve for x
x = 315,599,542,957,728.88/16,307,234.70 - Step 6: Final answer
x = 19,353,345.23
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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.