Finding the Fourth Proportional to 16,462,658.40, 24,721,981.20 and 12,207,631.20
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Solution
The fourth proportional to 16,462,658.40, 24,721,981.20 and 12,207,631.20 is: 18,332,205.02
Step by Step Solution
- Step 1: Write the proportion equation
16,462,658.40 : 24,721,981.20 = 12,207,631.20 : x - Step 2: Convert to fraction form
16,462,658.40/24,721,981.20 = 12,207,631.20/x - Step 3: Cross multiply
16,462,658.40x = 24,721,981.20 × 12,207,631.20 - Step 4: Simplify right side
16,462,658.40x = 301,796,829,022,933.44 - Step 5: Solve for x
x = 301,796,829,022,933.44/16,462,658.40 - Step 6: Final answer
x = 18,332,205.02
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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.