Finding the Fourth Proportional to 8,278,955.75, 12,417,455.62 and 2,214,157.51
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Solution
The fourth proportional to 8,278,955.75, 12,417,455.62 and 2,214,157.51 is: 3,320,974.70
Step by Step Solution
- Step 1: Write the proportion equation
8,278,955.75 : 12,417,455.62 = 2,214,157.51 : x - Step 2: Convert to fraction form
8,278,955.75/12,417,455.62 = 2,214,157.51/x - Step 3: Cross multiply
8,278,955.75x = 12,417,455.62 × 2,214,157.51 - Step 4: Simplify right side
8,278,955.75x = 27,494,202,634,404.22 - Step 5: Solve for x
x = 27,494,202,634,404.22/8,278,955.75 - Step 6: Final answer
x = 3,320,974.70
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1.5x scale
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.