Finding the Fourth Proportional to 11,809,511.20, 17,714,266.80 and 4,235,492.80
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Solution
The fourth proportional to 11,809,511.20, 17,714,266.80 and 4,235,492.80 is: 6,353,239.20
Step by Step Solution
- Step 1: Write the proportion equation
11,809,511.20 : 17,714,266.80 = 4,235,492.80 : x - Step 2: Convert to fraction form
11,809,511.20/17,714,266.80 = 4,235,492.80/x - Step 3: Cross multiply
11,809,511.20x = 17,714,266.80 × 4,235,492.80 - Step 4: Simplify right side
11,809,511.20x = 75,028,649,488,679.05 - Step 5: Solve for x
x = 75,028,649,488,679.05/11,809,511.20 - Step 6: Final answer
x = 6,353,239.20
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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.