Finding the Fourth Proportional to 12,317,043.09, 16,996,832.55 and 6,810,087.18
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Solution
The fourth proportional to 12,317,043.09, 16,996,832.55 and 6,810,087.18 is: 9,397,540.51
Step by Step Solution
- Step 1: Write the proportion equation
12,317,043.09 : 16,996,832.55 = 6,810,087.18 : x - Step 2: Convert to fraction form
12,317,043.09/16,996,832.55 = 6,810,087.18/x - Step 3: Cross multiply
12,317,043.09x = 16,996,832.55 × 6,810,087.18 - Step 4: Simplify right side
12,317,043.09x = 115,749,911,449,361.70 - Step 5: Solve for x
x = 115,749,911,449,361.70/12,317,043.09 - Step 6: Final answer
x = 9,397,540.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.