Finding the Fourth Proportional to 18,187,387.80, 27,202,349.70 and 16,282,073.40
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Solution
The fourth proportional to 18,187,387.80, 27,202,349.70 and 16,282,073.40 is: 24,352,626.08
Step by Step Solution
- Step 1: Write the proportion equation
18,187,387.80 : 27,202,349.70 = 16,282,073.40 : x - Step 2: Convert to fraction form
18,187,387.80/27,202,349.70 = 16,282,073.40/x - Step 3: Cross multiply
18,187,387.80x = 27,202,349.70 × 16,282,073.40 - Step 4: Simplify right side
18,187,387.80x = 442,910,654,467,868 - Step 5: Solve for x
x = 442,910,654,467,868/18,187,387.80 - Step 6: Final answer
x = 24,352,626.08
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1.5x scale
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.