Finding the Fourth Proportional to 19,452,723.68, 26,857,139.44 and 12,121,327.42
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Solution
The fourth proportional to 19,452,723.68, 26,857,139.44 and 12,121,327.42 is: 16,735,146.50
Step by Step Solution
- Step 1: Write the proportion equation
19,452,723.68 : 26,857,139.44 = 12,121,327.42 : x - Step 2: Convert to fraction form
19,452,723.68/26,857,139.44 = 12,121,327.42/x - Step 3: Cross multiply
19,452,723.68x = 26,857,139.44 × 12,121,327.42 - Step 4: Simplify right side
19,452,723.68x = 325,544,180,642,104.62 - Step 5: Solve for x
x = 325,544,180,642,104.62/19,452,723.68 - Step 6: Final answer
x = 16,735,146.50
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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.