Finding the Fourth Proportional to 8,873,412.75, 12,245,309.60 and 4,799,031.75
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Solution
The fourth proportional to 8,873,412.75, 12,245,309.60 and 4,799,031.75 is: 6,622,663.82
Step by Step Solution
- Step 1: Write the proportion equation
8,873,412.75 : 12,245,309.60 = 4,799,031.75 : x - Step 2: Convert to fraction form
8,873,412.75/12,245,309.60 = 4,799,031.75/x - Step 3: Cross multiply
8,873,412.75x = 12,245,309.60 × 4,799,031.75 - Step 4: Simplify right side
8,873,412.75x = 58,765,629,534,984.64 - Step 5: Solve for x
x = 58,765,629,534,984.64/8,873,412.75 - Step 6: Final answer
x = 6,622,663.82
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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.