Finding the Fourth Proportional to 11,984,933.28, 16,539,208.52 and 6,478,290.08
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Solution
The fourth proportional to 11,984,933.28, 16,539,208.52 and 6,478,290.08 is: 8,940,040.63
Step by Step Solution
- Step 1: Write the proportion equation
11,984,933.28 : 16,539,208.52 = 6,478,290.08 : x - Step 2: Convert to fraction form
11,984,933.28/16,539,208.52 = 6,478,290.08/x - Step 3: Cross multiply
11,984,933.28x = 16,539,208.52 × 6,478,290.08 - Step 4: Simplify right side
11,984,933.28x = 107,145,790,486,167.48 - Step 5: Solve for x
x = 107,145,790,486,167.48/11,984,933.28 - Step 6: Final answer
x = 8,940,040.63
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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.