Finding the Fourth Proportional to 8,419,187.18, 12,626,850.14 and 2,354,345.12
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Solution
The fourth proportional to 8,419,187.18, 12,626,850.14 and 2,354,345.12 is: 3,530,977.80
Step by Step Solution
- Step 1: Write the proportion equation
8,419,187.18 : 12,626,850.14 = 2,354,345.12 : x - Step 2: Convert to fraction form
8,419,187.18/12,626,850.14 = 2,354,345.12/x - Step 3: Cross multiply
8,419,187.18x = 12,626,850.14 × 2,354,345.12 - Step 4: Simplify right side
8,419,187.18x = 29,727,963,008,080.32 - Step 5: Solve for x
x = 29,727,963,008,080.32/8,419,187.18 - Step 6: Final answer
x = 3,530,977.80
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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.