Finding the Fourth Proportional to 18,444,216.80, 27,674,198.40 and 8,854,659.20
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Solution
The fourth proportional to 18,444,216.80, 27,674,198.40 and 8,854,659.20 is: 13,285,768.55
Step by Step Solution
- Step 1: Write the proportion equation
18,444,216.80 : 27,674,198.40 = 8,854,659.20 : x - Step 2: Convert to fraction form
18,444,216.80/27,674,198.40 = 8,854,659.20/x - Step 3: Cross multiply
18,444,216.80x = 27,674,198.40 × 8,854,659.20 - Step 4: Simplify right side
18,444,216.80x = 245,045,595,465,185.25 - Step 5: Solve for x
x = 245,045,595,465,185.25/18,444,216.80 - Step 6: Final answer
x = 13,285,768.55
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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.