Finding the Fourth Proportional to 6,831,132.16, 9,431,310.08 and 4,256,595.20
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Solution
The fourth proportional to 6,831,132.16, 9,431,310.08 and 4,256,595.20 is: 5,876,810.50
Step by Step Solution
- Step 1: Write the proportion equation
6,831,132.16 : 9,431,310.08 = 4,256,595.20 : x - Step 2: Convert to fraction form
6,831,132.16/9,431,310.08 = 4,256,595.20/x - Step 3: Cross multiply
6,831,132.16x = 9,431,310.08 × 4,256,595.20 - Step 4: Simplify right side
6,831,132.16x = 40,145,269,216,239.62 - Step 5: Solve for x
x = 40,145,269,216,239.62/6,831,132.16 - Step 6: Final answer
x = 5,876,810.50
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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.