Finding the Fourth Proportional to 27,885,770.82, 38,471,126.99 and 16,853,367.06
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Solution
The fourth proportional to 27,885,770.82, 38,471,126.99 and 16,853,367.06 is: 23,250,855.37
Step by Step Solution
- Step 1: Write the proportion equation
27,885,770.82 : 38,471,126.99 = 16,853,367.06 : x - Step 2: Convert to fraction form
27,885,770.82/38,471,126.99 = 16,853,367.06/x - Step 3: Cross multiply
27,885,770.82x = 38,471,126.99 × 16,853,367.06 - Step 4: Simplify right side
27,885,770.82x = 648,368,024,290,076 - Step 5: Solve for x
x = 648,368,024,290,076/27,885,770.82 - Step 6: Final answer
x = 23,250,855.37
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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.