Finding the Fourth Proportional to 20,044,346.64, 27,661,272.84 and 10,876,991.28
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Solution
The fourth proportional to 20,044,346.64, 27,661,272.84 and 10,876,991.28 is: 15,010,288.38
Step by Step Solution
- Step 1: Write the proportion equation
20,044,346.64 : 27,661,272.84 = 10,876,991.28 : x - Step 2: Convert to fraction form
20,044,346.64/27,661,272.84 = 10,876,991.28/x - Step 3: Cross multiply
20,044,346.64x = 27,661,272.84 × 10,876,991.28 - Step 4: Simplify right side
20,044,346.64x = 300,871,423,474,380.81 - Step 5: Solve for x
x = 300,871,423,474,380.81/20,044,346.64 - Step 6: Final answer
x = 15,010,288.38
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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.