Finding the Fourth Proportional to 48,601,803.92, 72,902,776.80 and 19,847,939.84
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Solution
The fourth proportional to 48,601,803.92, 72,902,776.80 and 19,847,939.84 is: 29,771,938.72
Step by Step Solution
- Step 1: Write the proportion equation
48,601,803.92 : 72,902,776.80 = 19,847,939.84 : x - Step 2: Convert to fraction form
48,601,803.92/72,902,776.80 = 19,847,939.84/x - Step 3: Cross multiply
48,601,803.92x = 72,902,776.80 × 19,847,939.84 - Step 4: Simplify right side
48,601,803.92x = 1,446,969,928,095,347.75 - Step 5: Solve for x
x = 1,446,969,928,095,347.75/48,601,803.92 - Step 6: Final answer
x = 29,771,938.72
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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.