Finding the Fourth Proportional to 12,355,008.14, 18,519,445.63 and 4,568,919.26
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Solution
The fourth proportional to 12,355,008.14, 18,519,445.63 and 4,568,919.26 is: 6,848,546.83
Step by Step Solution
- Step 1: Write the proportion equation
12,355,008.14 : 18,519,445.63 = 4,568,919.26 : x - Step 2: Convert to fraction form
12,355,008.14/18,519,445.63 = 4,568,919.26/x - Step 3: Cross multiply
12,355,008.14x = 18,519,445.63 × 4,568,919.26 - Step 4: Simplify right side
12,355,008.14x = 84,613,851,823,429.83 - Step 5: Solve for x
x = 84,613,851,823,429.83/12,355,008.14 - Step 6: Final answer
x = 6,848,546.83
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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.