Finding the Fourth Proportional to 8,279,268.39, 12,418,029.14 and 2,214,612.14
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Solution
The fourth proportional to 8,279,268.39, 12,418,029.14 and 2,214,612.14 is: 3,321,684.56
Step by Step Solution
- Step 1: Write the proportion equation
8,279,268.39 : 12,418,029.14 = 2,214,612.14 : x - Step 2: Convert to fraction form
8,279,268.39/12,418,029.14 = 2,214,612.14/x - Step 3: Cross multiply
8,279,268.39x = 12,418,029.14 × 2,214,612.14 - Step 4: Simplify right side
8,279,268.39x = 27,501,118,015,154.55 - Step 5: Solve for x
x = 27,501,118,015,154.55/8,279,268.39 - Step 6: Final answer
x = 3,321,684.56
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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.