Finding the Fourth Proportional to 11,242,652.30, 16,861,454.49 and 5,171,553.26
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Solution
The fourth proportional to 11,242,652.30, 16,861,454.49 and 5,171,553.26 is: 7,756,168.88
Step by Step Solution
- Step 1: Write the proportion equation
11,242,652.30 : 16,861,454.49 = 5,171,553.26 : x - Step 2: Convert to fraction form
11,242,652.30/16,861,454.49 = 5,171,553.26/x - Step 3: Cross multiply
11,242,652.30x = 16,861,454.49 × 5,171,553.26 - Step 4: Simplify right side
11,242,652.30x = 87,199,909,936,101.12 - Step 5: Solve for x
x = 87,199,909,936,101.12/11,242,652.30 - Step 6: Final answer
x = 7,756,168.88
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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.