Finding the Fourth Proportional to 16,512,400.20, 24,768,600.30 and 13,111,177.80
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Solution
The fourth proportional to 16,512,400.20, 24,768,600.30 and 13,111,177.80 is: 19,666,766.70
Step by Step Solution
- Step 1: Write the proportion equation
16,512,400.20 : 24,768,600.30 = 13,111,177.80 : x - Step 2: Convert to fraction form
16,512,400.20/24,768,600.30 = 13,111,177.80/x - Step 3: Cross multiply
16,512,400.20x = 24,768,600.30 × 13,111,177.80 - Step 4: Simplify right side
16,512,400.20x = 324,745,522,390,433.38 - Step 5: Solve for x
x = 324,745,522,390,433.38/16,512,400.20 - Step 6: Final answer
x = 19,666,766.70
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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.