Finding the Fourth Proportional to 7,438,359.21, 11,153,203.56 and 2,884,087.50
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Solution
The fourth proportional to 7,438,359.21, 11,153,203.56 and 2,884,087.50 is: 4,324,450.33
Step by Step Solution
- Step 1: Write the proportion equation
7,438,359.21 : 11,153,203.56 = 2,884,087.50 : x - Step 2: Convert to fraction form
7,438,359.21/11,153,203.56 = 2,884,087.50/x - Step 3: Cross multiply
7,438,359.21x = 11,153,203.56 × 2,884,087.50 - Step 4: Simplify right side
7,438,359.21x = 32,166,814,972,351.50 - Step 5: Solve for x
x = 32,166,814,972,351.50/7,438,359.21 - Step 6: Final answer
x = 4,324,450.33
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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.