Finding the Fourth Proportional to 20,248,433.52, 27,944,583.84 and 11,546,972.88
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Solution
The fourth proportional to 20,248,433.52, 27,944,583.84 and 11,546,972.88 is: 15,935,818.02
Step by Step Solution
- Step 1: Write the proportion equation
20,248,433.52 : 27,944,583.84 = 11,546,972.88 : x - Step 2: Convert to fraction form
20,248,433.52/27,944,583.84 = 11,546,972.88/x - Step 3: Cross multiply
20,248,433.52x = 27,944,583.84 × 11,546,972.88 - Step 4: Simplify right side
20,248,433.52x = 322,675,351,743,366.25 - Step 5: Solve for x
x = 322,675,351,743,366.25/20,248,433.52 - Step 6: Final answer
x = 15,935,818.02
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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.