Finding the Fourth Proportional to 15,683,251.80, 23,512,436.10 and 8,591,539.80
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Solution
The fourth proportional to 15,683,251.80, 23,512,436.10 and 8,591,539.80 is: 12,880,493.99
Step by Step Solution
- Step 1: Write the proportion equation
15,683,251.80 : 23,512,436.10 = 8,591,539.80 : x - Step 2: Convert to fraction form
15,683,251.80/23,512,436.10 = 8,591,539.80/x - Step 3: Cross multiply
15,683,251.80x = 23,512,436.10 × 8,591,539.80 - Step 4: Simplify right side
15,683,251.80x = 202,008,030,548,106.81 - Step 5: Solve for x
x = 202,008,030,548,106.81/15,683,251.80 - Step 6: Final answer
x = 12,880,493.99
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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.