Finding the Fourth Proportional to 34,935,939.63, 48,211,787.79 and 20,260,306.98
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Solution
The fourth proportional to 34,935,939.63, 48,211,787.79 and 20,260,306.98 is: 27,959,334.46
Step by Step Solution
- Step 1: Write the proportion equation
34,935,939.63 : 48,211,787.79 = 20,260,306.98 : x - Step 2: Convert to fraction form
34,935,939.63/48,211,787.79 = 20,260,306.98/x - Step 3: Cross multiply
34,935,939.63x = 48,211,787.79 × 20,260,306.98 - Step 4: Simplify right side
34,935,939.63x = 976,785,620,680,015.75 - Step 5: Solve for x
x = 976,785,620,680,015.75/34,935,939.63 - Step 6: Final answer
x = 27,959,334.46
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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.