Finding the Fourth Proportional to 16,351,996.80, 24,527,995.20 and 4,990,969.20
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Solution
The fourth proportional to 16,351,996.80, 24,527,995.20 and 4,990,969.20 is: 7,486,453.80
Step by Step Solution
- Step 1: Write the proportion equation
16,351,996.80 : 24,527,995.20 = 4,990,969.20 : x - Step 2: Convert to fraction form
16,351,996.80/24,527,995.20 = 4,990,969.20/x - Step 3: Cross multiply
16,351,996.80x = 24,527,995.20 × 4,990,969.20 - Step 4: Simplify right side
16,351,996.80x = 122,418,468,580,947.84 - Step 5: Solve for x
x = 122,418,468,580,947.84/16,351,996.80 - Step 6: Final answer
x = 7,486,453.80
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1.5x scale
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.