Finding the Fourth Proportional to 11,582,621.20, 17,376,005.40 and 4,851,715.60
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Solution
The fourth proportional to 11,582,621.20, 17,376,005.40 and 4,851,715.60 is: 7,278,441.99
Step by Step Solution
- Step 1: Write the proportion equation
11,582,621.20 : 17,376,005.40 = 4,851,715.60 : x - Step 2: Convert to fraction form
11,582,621.20/17,376,005.40 = 4,851,715.60/x - Step 3: Cross multiply
11,582,621.20x = 17,376,005.40 × 4,851,715.60 - Step 4: Simplify right side
11,582,621.20x = 84,303,436,464,864.22 - Step 5: Solve for x
x = 84,303,436,464,864.22/11,582,621.20 - Step 6: Final answer
x = 7,278,441.99
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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.