Finding the Fourth Proportional to 18,446,610.30, 27,677,788.65 and 8,857,052.70
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Solution
The fourth proportional to 18,446,610.30, 27,677,788.65 and 8,857,052.70 is: 13,289,359.33
Step by Step Solution
- Step 1: Write the proportion equation
18,446,610.30 : 27,677,788.65 = 8,857,052.70 : x - Step 2: Convert to fraction form
18,446,610.30/27,677,788.65 = 8,857,052.70/x - Step 3: Cross multiply
18,446,610.30x = 27,677,788.65 × 8,857,052.70 - Step 4: Simplify right side
18,446,610.30x = 245,143,632,692,511.81 - Step 5: Solve for x
x = 245,143,632,692,511.81/18,446,610.30 - Step 6: Final answer
x = 13,289,359.33
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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.