Finding the Fourth Proportional to 12,836,239.62, 19,260,587.26 and 5,646,839.36
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Solution
The fourth proportional to 12,836,239.62, 19,260,587.26 and 5,646,839.36 is: 8,472,998.75
Step by Step Solution
- Step 1: Write the proportion equation
12,836,239.62 : 19,260,587.26 = 5,646,839.36 : x - Step 2: Convert to fraction form
12,836,239.62/19,260,587.26 = 5,646,839.36/x - Step 3: Cross multiply
12,836,239.62x = 19,260,587.26 × 5,646,839.36 - Step 4: Simplify right side
12,836,239.62x = 108,761,442,236,482.56 - Step 5: Solve for x
x = 108,761,442,236,482.56/12,836,239.62 - Step 6: Final answer
x = 8,472,998.75
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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.