Finding the Fourth Proportional to 18,288,047.30, 27,432,070.95 and 16,608,431.30
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Solution
The fourth proportional to 18,288,047.30, 27,432,070.95 and 16,608,431.30 is: 24,912,646.95
Step by Step Solution
- Step 1: Write the proportion equation
18,288,047.30 : 27,432,070.95 = 16,608,431.30 : x - Step 2: Convert to fraction form
18,288,047.30/27,432,070.95 = 16,608,431.30/x - Step 3: Cross multiply
18,288,047.30x = 27,432,070.95 × 16,608,431.30 - Step 4: Simplify right side
18,288,047.30x = 455,603,665,789,800.75 - Step 5: Solve for x
x = 455,603,665,789,800.75/18,288,047.30 - Step 6: Final answer
x = 24,912,646.95
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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.