Finding the Fourth Proportional to 18,005,310.12, 24,847,326.05 and 9,745,371.07
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Solution
The fourth proportional to 18,005,310.12, 24,847,326.05 and 9,745,371.07 is: 13,448,611.03
Step by Step Solution
- Step 1: Write the proportion equation
18,005,310.12 : 24,847,326.05 = 9,745,371.07 : x - Step 2: Convert to fraction form
18,005,310.12/24,847,326.05 = 9,745,371.07/x - Step 3: Cross multiply
18,005,310.12x = 24,847,326.05 × 9,745,371.07 - Step 4: Simplify right side
18,005,310.12x = 242,146,412,343,682.25 - Step 5: Solve for x
x = 242,146,412,343,682.25/18,005,310.12 - Step 6: Final answer
x = 13,448,611.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.