Finding the Fourth Proportional to 16,128,029.65, 24,194,118.08 and 8,045,136.85
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Solution
The fourth proportional to 16,128,029.65, 24,194,118.08 and 8,045,136.85 is: 12,068,739.65
Step by Step Solution
- Step 1: Write the proportion equation
16,128,029.65 : 24,194,118.08 = 8,045,136.85 : x - Step 2: Convert to fraction form
16,128,029.65/24,194,118.08 = 8,045,136.85/x - Step 3: Cross multiply
16,128,029.65x = 24,194,118.08 × 8,045,136.85 - Step 4: Simplify right side
16,128,029.65x = 194,644,990,918,659.22 - Step 5: Solve for x
x = 194,644,990,918,659.22/16,128,029.65 - Step 6: Final answer
x = 12,068,739.65
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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.