Finding the Fourth Proportional to 7,438,358.67, 11,153,202.81 and 2,884,086.96
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Solution
The fourth proportional to 7,438,358.67, 11,153,202.81 and 2,884,086.96 is: 4,324,449.55
Step by Step Solution
- Step 1: Write the proportion equation
7,438,358.67 : 11,153,202.81 = 2,884,086.96 : x - Step 2: Convert to fraction form
7,438,358.67/11,153,202.81 = 2,884,086.96/x - Step 3: Cross multiply
7,438,358.67x = 11,153,202.81 × 2,884,086.96 - Step 4: Simplify right side
7,438,358.67x = 32,166,806,786,556.36 - Step 5: Solve for x
x = 32,166,806,786,556.36/7,438,358.67 - Step 6: Final answer
x = 4,324,449.55
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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.