Finding the Fourth Proportional to 16,642,744.40, 24,964,116.60 and 8,118,693.20
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Solution
The fourth proportional to 16,642,744.40, 24,964,116.60 and 8,118,693.20 is: 12,178,039.80
Step by Step Solution
- Step 1: Write the proportion equation
16,642,744.40 : 24,964,116.60 = 8,118,693.20 : x - Step 2: Convert to fraction form
16,642,744.40/24,964,116.60 = 8,118,693.20/x - Step 3: Cross multiply
16,642,744.40x = 24,964,116.60 × 8,118,693.20 - Step 4: Simplify right side
16,642,744.40x = 202,676,003,684,427.12 - Step 5: Solve for x
x = 202,676,003,684,427.12/16,642,744.40 - Step 6: Final answer
x = 12,178,039.80
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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.