Finding the Fourth Proportional to 16,129,374.40, 24,193,543.20 and 5,347,172.80
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Solution
The fourth proportional to 16,129,374.40, 24,193,543.20 and 5,347,172.80 is: 8,020,587.34
Step by Step Solution
- Step 1: Write the proportion equation
16,129,374.40 : 24,193,543.20 = 5,347,172.80 : x - Step 2: Convert to fraction form
16,129,374.40/24,193,543.20 = 5,347,172.80/x - Step 3: Cross multiply
16,129,374.40x = 24,193,543.20 × 5,347,172.80 - Step 4: Simplify right side
16,129,374.40x = 129,367,056,134,664.95 - Step 5: Solve for x
x = 129,367,056,134,664.95/16,129,374.40 - Step 6: Final answer
x = 8,020,587.34
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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.