Finding the Fourth Proportional to 7,606,808.74, 11,407,801.87 and 2,488,055.05
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Solution
The fourth proportional to 7,606,808.74, 11,407,801.87 and 2,488,055.05 is: 3,731,293.90
Step by Step Solution
- Step 1: Write the proportion equation
7,606,808.74 : 11,407,801.87 = 2,488,055.05 : x - Step 2: Convert to fraction form
7,606,808.74/11,407,801.87 = 2,488,055.05/x - Step 3: Cross multiply
7,606,808.74x = 11,407,801.87 × 2,488,055.05 - Step 4: Simplify right side
7,606,808.74x = 28,383,239,052,052.94 - Step 5: Solve for x
x = 28,383,239,052,052.94/7,606,808.74 - Step 6: Final answer
x = 3,731,293.90
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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.