Finding the Fourth Proportional to 18,589,615.60, 27,821,437.80 and 18,589,615.60
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Solution
The fourth proportional to 18,589,615.60, 27,821,437.80 and 18,589,615.60 is: 27,821,437.80
Step by Step Solution
- Step 1: Write the proportion equation
18,589,615.60 : 27,821,437.80 = 18,589,615.60 : x - Step 2: Convert to fraction form
18,589,615.60/27,821,437.80 = 18,589,615.60/x - Step 3: Cross multiply
18,589,615.60x = 27,821,437.80 × 18,589,615.60 - Step 4: Simplify right side
18,589,615.60x = 517,189,834,141,309.75 - Step 5: Solve for x
x = 517,189,834,141,309.75/18,589,615.60 - Step 6: Final answer
x = 27,821,437.80
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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.