Finding the Fourth Proportional to 15,036,659.24, 20,750,609.77 and 8,161,142.18
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Solution
The fourth proportional to 15,036,659.24, 20,750,609.77 and 8,161,142.18 is: 11,262,387.07
Step by Step Solution
- Step 1: Write the proportion equation
15,036,659.24 : 20,750,609.77 = 8,161,142.18 : x - Step 2: Convert to fraction form
15,036,659.24/20,750,609.77 = 8,161,142.18/x - Step 3: Cross multiply
15,036,659.24x = 20,750,609.77 × 8,161,142.18 - Step 4: Simplify right side
15,036,659.24x = 169,348,676,530,511.19 - Step 5: Solve for x
x = 169,348,676,530,511.19/15,036,659.24 - Step 6: Final answer
x = 11,262,387.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.