Finding the Fourth Proportional to 9,659,712.30, 14,489,568.45 and 8,929,805.10
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Solution
The fourth proportional to 9,659,712.30, 14,489,568.45 and 8,929,805.10 is: 13,394,707.65
Step by Step Solution
- Step 1: Write the proportion equation
9,659,712.30 : 14,489,568.45 = 8,929,805.10 : x - Step 2: Convert to fraction form
9,659,712.30/14,489,568.45 = 8,929,805.10/x - Step 3: Cross multiply
9,659,712.30x = 14,489,568.45 × 8,929,805.10 - Step 4: Simplify right side
9,659,712.30x = 129,389,022,241,609.08 - Step 5: Solve for x
x = 129,389,022,241,609.08/9,659,712.30 - Step 6: Final answer
x = 13,394,707.65
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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.