Finding the Fourth Proportional to 16,512,278.20, 24,768,417.30 and 5,151,250.60
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Solution
The fourth proportional to 16,512,278.20, 24,768,417.30 and 5,151,250.60 is: 7,726,875.90
Step by Step Solution
- Step 1: Write the proportion equation
16,512,278.20 : 24,768,417.30 = 5,151,250.60 : x - Step 2: Convert to fraction form
16,512,278.20/24,768,417.30 = 5,151,250.60/x - Step 3: Cross multiply
16,512,278.20x = 24,768,417.30 × 5,151,250.60 - Step 4: Simplify right side
16,512,278.20x = 127,588,324,477,675.38 - Step 5: Solve for x
x = 127,588,324,477,675.38/16,512,278.20 - Step 6: Final answer
x = 7,726,875.90
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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.