Finding the Fourth Proportional to 11,427,881.44, 15,770,595.36 and 6,271,576.96
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Solution
The fourth proportional to 11,427,881.44, 15,770,595.36 and 6,271,576.96 is: 8,654,841.50
Step by Step Solution
- Step 1: Write the proportion equation
11,427,881.44 : 15,770,595.36 = 6,271,576.96 : x - Step 2: Convert to fraction form
11,427,881.44/15,770,595.36 = 6,271,576.96/x - Step 3: Cross multiply
11,427,881.44x = 15,770,595.36 × 6,271,576.96 - Step 4: Simplify right side
11,427,881.44x = 98,906,502,505,258.91 - Step 5: Solve for x
x = 98,906,502,505,258.91/11,427,881.44 - Step 6: Final answer
x = 8,654,841.50
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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.