Finding the Fourth Proportional to 18,452,430.10, 27,678,645.15 and 8,865,496.90
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Solution
The fourth proportional to 18,452,430.10, 27,678,645.15 and 8,865,496.90 is: 13,298,245.35
Step by Step Solution
- Step 1: Write the proportion equation
18,452,430.10 : 27,678,645.15 = 8,865,496.90 : x - Step 2: Convert to fraction form
18,452,430.10/27,678,645.15 = 8,865,496.90/x - Step 3: Cross multiply
18,452,430.10x = 27,678,645.15 × 8,865,496.90 - Step 4: Simplify right side
18,452,430.10x = 245,384,942,773,525.03 - Step 5: Solve for x
x = 245,384,942,773,525.03/18,452,430.10 - Step 6: Final answer
x = 13,298,245.35
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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.