Finding the Fourth Proportional to 19,630,546.80, 27,100,779.48 and 13,768,180.08
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Solution
The fourth proportional to 19,630,546.80, 27,100,779.48 and 13,768,180.08 is: 19,007,540.44
Step by Step Solution
- Step 1: Write the proportion equation
19,630,546.80 : 27,100,779.48 = 13,768,180.08 : x - Step 2: Convert to fraction form
19,630,546.80/27,100,779.48 = 13,768,180.08/x - Step 3: Cross multiply
19,630,546.80x = 27,100,779.48 × 13,768,180.08 - Step 4: Simplify right side
19,630,546.80x = 373,128,412,189,008.75 - Step 5: Solve for x
x = 373,128,412,189,008.75/19,630,546.80 - Step 6: Final answer
x = 19,007,540.44
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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.