Finding the Fourth Proportional to 10,288,675.99, 15,431,511.49 and 3,000,177.12
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Solution
The fourth proportional to 10,288,675.99, 15,431,511.49 and 3,000,177.12 is: 4,499,827.56
Step by Step Solution
- Step 1: Write the proportion equation
10,288,675.99 : 15,431,511.49 = 3,000,177.12 : x - Step 2: Convert to fraction form
10,288,675.99/15,431,511.49 = 3,000,177.12/x - Step 3: Cross multiply
10,288,675.99x = 15,431,511.49 × 3,000,177.12 - Step 4: Simplify right side
10,288,675.99x = 46,297,267,749,682.84 - Step 5: Solve for x
x = 46,297,267,749,682.84/10,288,675.99 - Step 6: Final answer
x = 4,499,827.56
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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.