Finding the Fourth Proportional to 27,199,235.80, 40,798,853.70 and 18,589,891.60
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Solution
The fourth proportional to 27,199,235.80, 40,798,853.70 and 18,589,891.60 is: 27,884,837.40
Step by Step Solution
- Step 1: Write the proportion equation
27,199,235.80 : 40,798,853.70 = 18,589,891.60 : x - Step 2: Convert to fraction form
27,199,235.80/40,798,853.70 = 18,589,891.60/x - Step 3: Cross multiply
27,199,235.80x = 40,798,853.70 × 18,589,891.60 - Step 4: Simplify right side
27,199,235.80x = 758,446,267,687,259 - Step 5: Solve for x
x = 758,446,267,687,259/27,199,235.80 - Step 6: Final answer
x = 27,884,837.40
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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.