Finding the Fourth Proportional to 8,487,942.62, 11,713,362.11 and 4,620,492.82
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Solution
The fourth proportional to 8,487,942.62, 11,713,362.11 and 4,620,492.82 is: 6,376,280.80
Step by Step Solution
- Step 1: Write the proportion equation
8,487,942.62 : 11,713,362.11 = 4,620,492.82 : x - Step 2: Convert to fraction form
8,487,942.62/11,713,362.11 = 4,620,492.82/x - Step 3: Cross multiply
8,487,942.62x = 11,713,362.11 × 4,620,492.82 - Step 4: Simplify right side
8,487,942.62x = 54,121,505,536,181.14 - Step 5: Solve for x
x = 54,121,505,536,181.14/8,487,942.62 - Step 6: Final answer
x = 6,376,280.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.