Finding the Fourth Proportional to 16,235,631.95, 24,350,403.17 and 8,146,435.64
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Solution
The fourth proportional to 16,235,631.95, 24,350,403.17 and 8,146,435.64 is: 12,218,125.72
Step by Step Solution
- Step 1: Write the proportion equation
16,235,631.95 : 24,350,403.17 = 8,146,435.64 : x - Step 2: Convert to fraction form
16,235,631.95/24,350,403.17 = 8,146,435.64/x - Step 3: Cross multiply
16,235,631.95x = 24,350,403.17 × 8,146,435.64 - Step 4: Simplify right side
16,235,631.95x = 198,368,992,232,457 - Step 5: Solve for x
x = 198,368,992,232,457/16,235,631.95 - Step 6: Final answer
x = 12,218,125.72
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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.