Finding the Fourth Proportional to 7,679,419.23, 11,520,847.01 and 2,887,150.02
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Solution
The fourth proportional to 7,679,419.23, 11,520,847.01 and 2,887,150.02 is: 4,331,370.99
Step by Step Solution
- Step 1: Write the proportion equation
7,679,419.23 : 11,520,847.01 = 2,887,150.02 : x - Step 2: Convert to fraction form
7,679,419.23/11,520,847.01 = 2,887,150.02/x - Step 3: Cross multiply
7,679,419.23x = 11,520,847.01 × 2,887,150.02 - Step 4: Simplify right side
7,679,419.23x = 33,262,413,660,902.69 - Step 5: Solve for x
x = 33,262,413,660,902.69/7,679,419.23 - Step 6: Final answer
x = 4,331,370.99
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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.