Finding the Fourth Proportional to 9,143,613.12, 13,717,700.25 and 6,453,193.68
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Solution
The fourth proportional to 9,143,613.12, 13,717,700.25 and 6,453,193.68 is: 9,681,400.05
Step by Step Solution
- Step 1: Write the proportion equation
9,143,613.12 : 13,717,700.25 = 6,453,193.68 : x - Step 2: Convert to fraction form
9,143,613.12/13,717,700.25 = 6,453,193.68/x - Step 3: Cross multiply
9,143,613.12x = 13,717,700.25 × 6,453,193.68 - Step 4: Simplify right side
9,143,613.12x = 88,522,976,557,434.42 - Step 5: Solve for x
x = 88,522,976,557,434.42/9,143,613.12 - Step 6: Final answer
x = 9,681,400.05
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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.