Finding the Fourth Proportional to 8,318,875.20, 12,467,815.20 and 4,049,851.20
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Solution
The fourth proportional to 8,318,875.20, 12,467,815.20 and 4,049,851.20 is: 6,069,666.29
Step by Step Solution
- Step 1: Write the proportion equation
8,318,875.20 : 12,467,815.20 = 4,049,851.20 : x - Step 2: Convert to fraction form
8,318,875.20/12,467,815.20 = 4,049,851.20/x - Step 3: Cross multiply
8,318,875.20x = 12,467,815.20 × 4,049,851.20 - Step 4: Simplify right side
8,318,875.20x = 50,492,796,349,098.24 - Step 5: Solve for x
x = 50,492,796,349,098.24/8,318,875.20 - Step 6: Final answer
x = 6,069,666.29
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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.