Finding the Fourth Proportional to 7,945,697.18, 11,918,655.12 and 2,265,922.10
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Solution
The fourth proportional to 7,945,697.18, 11,918,655.12 and 2,265,922.10 is: 3,398,914.33
Step by Step Solution
- Step 1: Write the proportion equation
7,945,697.18 : 11,918,655.12 = 2,265,922.10 : x - Step 2: Convert to fraction form
7,945,697.18/11,918,655.12 = 2,265,922.10/x - Step 3: Cross multiply
7,945,697.18x = 11,918,655.12 × 2,265,922.10 - Step 4: Simplify right side
7,945,697.18x = 27,006,743,979,092.88 - Step 5: Solve for x
x = 27,006,743,979,092.88/7,945,697.18 - Step 6: Final answer
x = 3,398,914.33
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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.