Finding the Fourth Proportional to 10,965,219.65, 15,133,586.70 and 6,318,114.99
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Solution
The fourth proportional to 10,965,219.65, 15,133,586.70 and 6,318,114.99 is: 8,719,911.14
Step by Step Solution
- Step 1: Write the proportion equation
10,965,219.65 : 15,133,586.70 = 6,318,114.99 : x - Step 2: Convert to fraction form
10,965,219.65/15,133,586.70 = 6,318,114.99/x - Step 3: Cross multiply
10,965,219.65x = 15,133,586.70 × 6,318,114.99 - Step 4: Simplify right side
10,965,219.65x = 95,615,740,981,734.62 - Step 5: Solve for x
x = 95,615,740,981,734.62/10,965,219.65 - Step 6: Final answer
x = 8,719,911.14
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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.