Finding the Fourth Proportional to 13,296,544.91, 19,903,910.36 and 8,675,581.10
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Solution
The fourth proportional to 13,296,544.91, 19,903,910.36 and 8,675,581.10 is: 12,986,681.09
Step by Step Solution
- Step 1: Write the proportion equation
13,296,544.91 : 19,903,910.36 = 8,675,581.10 : x - Step 2: Convert to fraction form
13,296,544.91/19,903,910.36 = 8,675,581.10/x - Step 3: Cross multiply
13,296,544.91x = 19,903,910.36 × 8,675,581.10 - Step 4: Simplify right side
13,296,544.91x = 172,677,988,392,412.75 - Step 5: Solve for x
x = 172,677,988,392,412.75/13,296,544.91 - Step 6: Final answer
x = 12,986,681.09
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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.