Finding the Fourth Proportional to 8,288,435.08, 12,434,643.44 and 3,170,781.26
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Solution
The fourth proportional to 8,288,435.08, 12,434,643.44 and 3,170,781.26 is: 4,756,933.49
Step by Step Solution
- Step 1: Write the proportion equation
8,288,435.08 : 12,434,643.44 = 3,170,781.26 : x - Step 2: Convert to fraction form
8,288,435.08/12,434,643.44 = 3,170,781.26/x - Step 3: Cross multiply
8,288,435.08x = 12,434,643.44 × 3,170,781.26 - Step 4: Simplify right side
8,288,435.08x = 39,427,534,394,333.93 - Step 5: Solve for x
x = 39,427,534,394,333.93/8,288,435.08 - Step 6: Final answer
x = 4,756,933.49
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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.