Finding the Fourth Proportional to 49,649,843.80, 74,474,765.70 and 13,748,051.80
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Solution
The fourth proportional to 49,649,843.80, 74,474,765.70 and 13,748,051.80 is: 20,622,077.70
Step by Step Solution
- Step 1: Write the proportion equation
49,649,843.80 : 74,474,765.70 = 13,748,051.80 : x - Step 2: Convert to fraction form
49,649,843.80/74,474,765.70 = 13,748,051.80/x - Step 3: Cross multiply
49,649,843.80x = 74,474,765.70 × 13,748,051.80 - Step 4: Simplify right side
49,649,843.80x = 1,023,882,936,636,463.38 - Step 5: Solve for x
x = 1,023,882,936,636,463.38/49,649,843.80 - Step 6: Final answer
x = 20,622,077.70
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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.