Finding the Fourth Proportional to 10,659,672.62, 15,989,511.66 and 2,984,448.21
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Solution
The fourth proportional to 10,659,672.62, 15,989,511.66 and 2,984,448.21 is: 4,476,673.08
Step by Step Solution
- Step 1: Write the proportion equation
10,659,672.62 : 15,989,511.66 = 2,984,448.21 : x - Step 2: Convert to fraction form
10,659,672.62/15,989,511.66 = 2,984,448.21/x - Step 3: Cross multiply
10,659,672.62x = 15,989,511.66 × 2,984,448.21 - Step 4: Simplify right side
10,659,672.62x = 47,719,869,488,037.30 - Step 5: Solve for x
x = 47,719,869,488,037.30/10,659,672.62 - Step 6: Final answer
x = 4,476,673.08
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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.