Finding the Fourth Proportional to 18,446,626.80, 27,677,813.40 and 8,857,069.20
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Solution
The fourth proportional to 18,446,626.80, 27,677,813.40 and 8,857,069.20 is: 13,289,384.08
Step by Step Solution
- Step 1: Write the proportion equation
18,446,626.80 : 27,677,813.40 = 8,857,069.20 : x - Step 2: Convert to fraction form
18,446,626.80/27,677,813.40 = 8,857,069.20/x - Step 3: Cross multiply
18,446,626.80x = 27,677,813.40 × 8,857,069.20 - Step 4: Simplify right side
18,446,626.80x = 245,144,308,588,487.25 - Step 5: Solve for x
x = 245,144,308,588,487.25/18,446,626.80 - Step 6: Final answer
x = 13,289,384.08
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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.