Finding the Fourth Proportional to 11,427,880.44, 15,770,593.98 and 6,271,575.96
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Solution
The fourth proportional to 11,427,880.44, 15,770,593.98 and 6,271,575.96 is: 8,654,840.12
Step by Step Solution
- Step 1: Write the proportion equation
11,427,880.44 : 15,770,593.98 = 6,271,575.96 : x - Step 2: Convert to fraction form
11,427,880.44/15,770,593.98 = 6,271,575.96/x - Step 3: Cross multiply
11,427,880.44x = 15,770,593.98 × 6,271,575.96 - Step 4: Simplify right side
11,427,880.44x = 98,906,478,079,888.72 - Step 5: Solve for x
x = 98,906,478,079,888.72/11,427,880.44 - Step 6: Final answer
x = 8,654,840.12
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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.