Finding the Fourth Proportional to 16,220,489.70, 24,344,512.65 and 6,642,741.90
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Solution
The fourth proportional to 16,220,489.70, 24,344,512.65 and 6,642,741.90 is: 9,969,755.37
Step by Step Solution
- Step 1: Write the proportion equation
16,220,489.70 : 24,344,512.65 = 6,642,741.90 : x - Step 2: Convert to fraction form
16,220,489.70/24,344,512.65 = 6,642,741.90/x - Step 3: Cross multiply
16,220,489.70x = 24,344,512.65 × 6,642,741.90 - Step 4: Simplify right side
16,220,489.70x = 161,714,314,215,235.03 - Step 5: Solve for x
x = 161,714,314,215,235.03/16,220,489.70 - Step 6: Final answer
x = 9,969,755.37
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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.