Finding the Fourth Proportional to 7,880,010.70, 11,811,268.05 and 3,086,106.70
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Solution
The fourth proportional to 7,880,010.70, 11,811,268.05 and 3,086,106.70 is: 4,625,734.01
Step by Step Solution
- Step 1: Write the proportion equation
7,880,010.70 : 11,811,268.05 = 3,086,106.70 : x - Step 2: Convert to fraction form
7,880,010.70/11,811,268.05 = 3,086,106.70/x - Step 3: Cross multiply
7,880,010.70x = 11,811,268.05 × 3,086,106.70 - Step 4: Simplify right side
7,880,010.70x = 36,450,833,464,600.94 - Step 5: Solve for x
x = 36,450,833,464,600.94/7,880,010.70 - Step 6: Final answer
x = 4,625,734.01
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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.