Finding the Fourth Proportional to 16,107,439.20, 24,144,829.20 and 8,007,957.60
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Solution
The fourth proportional to 16,107,439.20, 24,144,829.20 and 8,007,957.60 is: 12,003,817.99
Step by Step Solution
- Step 1: Write the proportion equation
16,107,439.20 : 24,144,829.20 = 8,007,957.60 : x - Step 2: Convert to fraction form
16,107,439.20/24,144,829.20 = 8,007,957.60/x - Step 3: Cross multiply
16,107,439.20x = 24,144,829.20 × 8,007,957.60 - Step 4: Simplify right side
16,107,439.20x = 193,350,768,492,841.91 - Step 5: Solve for x
x = 193,350,768,492,841.91/16,107,439.20 - Step 6: Final answer
x = 12,003,817.99
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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.