Finding the Fourth Proportional to 8,129,613.01, 12,194,425.05 and 2,064,799.57
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Solution
The fourth proportional to 8,129,613.01, 12,194,425.05 and 2,064,799.57 is: 3,097,200.76
Step by Step Solution
- Step 1: Write the proportion equation
8,129,613.01 : 12,194,425.05 = 2,064,799.57 : x - Step 2: Convert to fraction form
8,129,613.01/12,194,425.05 = 2,064,799.57/x - Step 3: Cross multiply
8,129,613.01x = 12,194,425.05 × 2,064,799.57 - Step 4: Simplify right side
8,129,613.01x = 25,179,043,599,637.23 - Step 5: Solve for x
x = 25,179,043,599,637.23/8,129,613.01 - Step 6: Final answer
x = 3,097,200.76
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Double scale
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Similar ratio
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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.