Finding the Fourth Proportional to 10,366,247.30, 15,542,372.55 and 5,509,357.70
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Solution
The fourth proportional to 10,366,247.30, 15,542,372.55 and 5,509,357.70 is: 8,260,317.10
Step by Step Solution
- Step 1: Write the proportion equation
10,366,247.30 : 15,542,372.55 = 5,509,357.70 : x - Step 2: Convert to fraction form
10,366,247.30/15,542,372.55 = 5,509,357.70/x - Step 3: Cross multiply
10,366,247.30x = 15,542,372.55 × 5,509,357.70 - Step 4: Simplify right side
10,366,247.30x = 85,628,489,884,611.14 - Step 5: Solve for x
x = 85,628,489,884,611.14/10,366,247.30 - Step 6: Final answer
x = 8,260,317.10
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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.