Finding the Fourth Proportional to 13,091,165.62, 19,639,839.39 and 4,115,717.62
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Solution
The fourth proportional to 13,091,165.62, 19,639,839.39 and 4,115,717.62 is: 6,174,548.19
Step by Step Solution
- Step 1: Write the proportion equation
13,091,165.62 : 19,639,839.39 = 4,115,717.62 : x - Step 2: Convert to fraction form
13,091,165.62/19,639,839.39 = 4,115,717.62/x - Step 3: Cross multiply
13,091,165.62x = 19,639,839.39 × 4,115,717.62 - Step 4: Simplify right side
13,091,165.62x = 80,832,033,031,393.06 - Step 5: Solve for x
x = 80,832,033,031,393.06/13,091,165.62 - Step 6: Final answer
x = 6,174,548.19
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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.