Finding the Fourth Proportional to 7,455,633.80, 11,183,450.70 and 3,868,407.05
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Solution
The fourth proportional to 7,455,633.80, 11,183,450.70 and 3,868,407.05 is: 5,802,610.58
Step by Step Solution
- Step 1: Write the proportion equation
7,455,633.80 : 11,183,450.70 = 3,868,407.05 : x - Step 2: Convert to fraction form
7,455,633.80/11,183,450.70 = 3,868,407.05/x - Step 3: Cross multiply
7,455,633.80x = 11,183,450.70 × 3,868,407.05 - Step 4: Simplify right side
7,455,633.80x = 43,262,139,531,207.43 - Step 5: Solve for x
x = 43,262,139,531,207.43/7,455,633.80 - Step 6: Final answer
x = 5,802,610.58
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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.