Finding the Fourth Proportional to 12,260,716.20, 18,393,305.04 and 5,068,343.88
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Solution
The fourth proportional to 12,260,716.20, 18,393,305.04 and 5,068,343.88 is: 7,603,437.96
Step by Step Solution
- Step 1: Write the proportion equation
12,260,716.20 : 18,393,305.04 = 5,068,343.88 : x - Step 2: Convert to fraction form
12,260,716.20/18,393,305.04 = 5,068,343.88/x - Step 3: Cross multiply
12,260,716.20x = 18,393,305.04 × 5,068,343.88 - Step 4: Simplify right side
12,260,716.20x = 93,223,595,032,457.16 - Step 5: Solve for x
x = 93,223,595,032,457.16/12,260,716.20 - Step 6: Final answer
x = 7,603,437.96
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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.