Finding the Fourth Proportional to 27,781,471.30, 41,663,378.97 and 25,967,960.99
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Solution
The fourth proportional to 27,781,471.30, 41,663,378.97 and 25,967,960.99 is: 38,943,689.78
Step by Step Solution
- Step 1: Write the proportion equation
27,781,471.30 : 41,663,378.97 = 25,967,960.99 : x - Step 2: Convert to fraction form
27,781,471.30/41,663,378.97 = 25,967,960.99/x - Step 3: Cross multiply
27,781,471.30x = 41,663,378.97 × 25,967,960.99 - Step 4: Simplify right side
27,781,471.30x = 1,081,912,999,804,546.25 - Step 5: Solve for x
x = 1,081,912,999,804,546.25/27,781,471.30 - Step 6: Final answer
x = 38,943,689.78
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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.