Finding the Fourth Proportional to 7,438,362.21, 11,153,208.06 and 2,884,090.50
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Solution
The fourth proportional to 7,438,362.21, 11,153,208.06 and 2,884,090.50 is: 4,324,454.83
Step by Step Solution
- Step 1: Write the proportion equation
7,438,362.21 : 11,153,208.06 = 2,884,090.50 : x - Step 2: Convert to fraction form
7,438,362.21/11,153,208.06 = 2,884,090.50/x - Step 3: Cross multiply
7,438,362.21x = 11,153,208.06 × 2,884,090.50 - Step 4: Simplify right side
7,438,362.21x = 32,166,861,410,369.43 - Step 5: Solve for x
x = 32,166,861,410,369.43/7,438,362.21 - Step 6: Final answer
x = 4,324,454.83
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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.