Finding the Fourth Proportional to 7,728,090.96, 11,593,473.20 and 2,610,558.11
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Solution
The fourth proportional to 7,728,090.96, 11,593,473.20 and 2,610,558.11 is: 3,916,288.73
Step by Step Solution
- Step 1: Write the proportion equation
7,728,090.96 : 11,593,473.20 = 2,610,558.11 : x - Step 2: Convert to fraction form
7,728,090.96/11,593,473.20 = 2,610,558.11/x - Step 3: Cross multiply
7,728,090.96x = 11,593,473.20 × 2,610,558.11 - Step 4: Simplify right side
7,728,090.96x = 30,265,435,511,048.14 - Step 5: Solve for x
x = 30,265,435,511,048.14/7,728,090.96 - Step 6: Final answer
x = 3,916,288.73
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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.