Finding the Fourth Proportional to 18,397,802.56, 25,205,079.68 and 17,708,252.44
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Solution
The fourth proportional to 18,397,802.56, 25,205,079.68 and 17,708,252.44 is: 24,260,392.64
Step by Step Solution
- Step 1: Write the proportion equation
18,397,802.56 : 25,205,079.68 = 17,708,252.44 : x - Step 2: Convert to fraction form
18,397,802.56/25,205,079.68 = 17,708,252.44/x - Step 3: Cross multiply
18,397,802.56x = 25,205,079.68 × 17,708,252.44 - Step 4: Simplify right side
18,397,802.56x = 446,337,913,743,754.44 - Step 5: Solve for x
x = 446,337,913,743,754.44/18,397,802.56 - Step 6: Final answer
x = 24,260,392.64
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.