Finding the Fourth Proportional to 9,628,145.97, 13,286,814.04 and 5,277,218.82
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Solution
The fourth proportional to 9,628,145.97, 13,286,814.04 and 5,277,218.82 is: 7,282,546.95
Step by Step Solution
- Step 1: Write the proportion equation
9,628,145.97 : 13,286,814.04 = 5,277,218.82 : x - Step 2: Convert to fraction form
9,628,145.97/13,286,814.04 = 5,277,218.82/x - Step 3: Cross multiply
9,628,145.97x = 13,286,814.04 × 5,277,218.82 - Step 4: Simplify right side
9,628,145.97x = 70,117,425,109,728.23 - Step 5: Solve for x
x = 70,117,425,109,728.23/9,628,145.97 - Step 6: Final answer
x = 7,282,546.95
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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.