Finding the Fourth Proportional to 16,405,762.20, 24,608,643.30 and 8,753,011.80
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Solution
The fourth proportional to 16,405,762.20, 24,608,643.30 and 8,753,011.80 is: 13,129,517.70
Step by Step Solution
- Step 1: Write the proportion equation
16,405,762.20 : 24,608,643.30 = 8,753,011.80 : x - Step 2: Convert to fraction form
16,405,762.20/24,608,643.30 = 8,753,011.80/x - Step 3: Cross multiply
16,405,762.20x = 24,608,643.30 × 8,753,011.80 - Step 4: Simplify right side
16,405,762.20x = 215,399,745,186,890.97 - Step 5: Solve for x
x = 215,399,745,186,890.97/16,405,762.20 - Step 6: Final answer
x = 13,129,517.70
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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.