Finding the Fourth Proportional to 27,716,692.05, 38,249,282.75 and 15,327,618.97
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Solution
The fourth proportional to 27,716,692.05, 38,249,282.75 and 15,327,618.97 is: 21,152,251.17
Step by Step Solution
- Step 1: Write the proportion equation
27,716,692.05 : 38,249,282.75 = 15,327,618.97 : x - Step 2: Convert to fraction form
27,716,692.05/38,249,282.75 = 15,327,618.97/x - Step 3: Cross multiply
27,716,692.05x = 38,249,282.75 × 15,327,618.97 - Step 4: Simplify right side
27,716,692.05x = 586,270,431,867,793.75 - Step 5: Solve for x
x = 586,270,431,867,793.75/27,716,692.05 - Step 6: Final answer
x = 21,152,251.17
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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.