Finding the Fourth Proportional to 21,410,341.08, 29,546,290.53 and 11,620,782.42
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Solution
The fourth proportional to 21,410,341.08, 29,546,290.53 and 11,620,782.42 is: 16,036,690.51
Step by Step Solution
- Step 1: Write the proportion equation
21,410,341.08 : 29,546,290.53 = 11,620,782.42 : x - Step 2: Convert to fraction form
21,410,341.08/29,546,290.53 = 11,620,782.42/x - Step 3: Cross multiply
21,410,341.08x = 29,546,290.53 × 11,620,782.42 - Step 4: Simplify right side
21,410,341.08x = 343,351,013,567,236.50 - Step 5: Solve for x
x = 343,351,013,567,236.50/21,410,341.08 - Step 6: Final answer
x = 16,036,690.51
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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.