Finding the Fourth Proportional to 8,107,110.87, 12,160,807.25 and 2,986,905.26
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Solution
The fourth proportional to 8,107,110.87, 12,160,807.25 and 2,986,905.26 is: 4,480,409.82
Step by Step Solution
- Step 1: Write the proportion equation
8,107,110.87 : 12,160,807.25 = 2,986,905.26 : x - Step 2: Convert to fraction form
8,107,110.87/12,160,807.25 = 2,986,905.26/x - Step 3: Cross multiply
8,107,110.87x = 12,160,807.25 × 2,986,905.26 - Step 4: Simplify right side
8,107,110.87x = 36,323,179,140,871.13 - Step 5: Solve for x
x = 36,323,179,140,871.13/8,107,110.87 - Step 6: Final answer
x = 4,480,409.82
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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.