Finding the Fourth Proportional to 8,749,412.80, 13,124,119.20 and 3,067,586.80
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Solution
The fourth proportional to 8,749,412.80, 13,124,119.20 and 3,067,586.80 is: 4,601,380.20
Step by Step Solution
- Step 1: Write the proportion equation
8,749,412.80 : 13,124,119.20 = 3,067,586.80 : x - Step 2: Convert to fraction form
8,749,412.80/13,124,119.20 = 3,067,586.80/x - Step 3: Cross multiply
8,749,412.80x = 13,124,119.20 × 3,067,586.80 - Step 4: Simplify right side
8,749,412.80x = 40,259,374,819,546.55 - Step 5: Solve for x
x = 40,259,374,819,546.55/8,749,412.80 - Step 6: Final answer
x = 4,601,380.20
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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.