Finding the Fourth Proportional to 16,405,750.20, 24,608,625.30 and 7,884,031.80
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Solution
The fourth proportional to 16,405,750.20, 24,608,625.30 and 7,884,031.80 is: 11,826,047.70
Step by Step Solution
- Step 1: Write the proportion equation
16,405,750.20 : 24,608,625.30 = 7,884,031.80 : x - Step 2: Convert to fraction form
16,405,750.20/24,608,625.30 = 7,884,031.80/x - Step 3: Cross multiply
16,405,750.20x = 24,608,625.30 × 7,884,031.80 - Step 4: Simplify right side
16,405,750.20x = 194,015,184,419,484.53 - Step 5: Solve for x
x = 194,015,184,419,484.53/16,405,750.20 - Step 6: Final answer
x = 11,826,047.70
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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.