Finding the Fourth Proportional to 25,700,788.88, 38,551,314.57 and 8,661,609.44
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Solution
The fourth proportional to 25,700,788.88, 38,551,314.57 and 8,661,609.44 is: 12,992,458.39
Step by Step Solution
- Step 1: Write the proportion equation
25,700,788.88 : 38,551,314.57 = 8,661,609.44 : x - Step 2: Convert to fraction form
25,700,788.88/38,551,314.57 = 8,661,609.44/x - Step 3: Cross multiply
25,700,788.88x = 38,551,314.57 × 8,661,609.44 - Step 4: Simplify right side
25,700,788.88x = 333,916,430,160,613.44 - Step 5: Solve for x
x = 333,916,430,160,613.44/25,700,788.88 - Step 6: Final answer
x = 12,992,458.39
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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.