Finding the Fourth Proportional to 16,129,426.40, 24,193,621.20 and 5,347,224.80
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Solution
The fourth proportional to 16,129,426.40, 24,193,621.20 and 5,347,224.80 is: 8,020,665.34
Step by Step Solution
- Step 1: Write the proportion equation
16,129,426.40 : 24,193,621.20 = 5,347,224.80 : x - Step 2: Convert to fraction form
16,129,426.40/24,193,621.20 = 5,347,224.80/x - Step 3: Cross multiply
16,129,426.40x = 24,193,621.20 × 5,347,224.80 - Step 4: Simplify right side
16,129,426.40x = 129,368,731,282,445.75 - Step 5: Solve for x
x = 129,368,731,282,445.75/16,129,426.40 - Step 6: Final answer
x = 8,020,665.34
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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.