Finding the Fourth Proportional to 18,190,177.80, 27,285,266.70 and 18,190,177.80
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Solution
The fourth proportional to 18,190,177.80, 27,285,266.70 and 18,190,177.80 is: 27,285,266.70
Step by Step Solution
- Step 1: Write the proportion equation
18,190,177.80 : 27,285,266.70 = 18,190,177.80 : x - Step 2: Convert to fraction form
18,190,177.80/27,285,266.70 = 18,190,177.80/x - Step 3: Cross multiply
18,190,177.80x = 27,285,266.70 × 18,190,177.80 - Step 4: Simplify right side
18,190,177.80x = 496,323,852,593,419.25 - Step 5: Solve for x
x = 496,323,852,593,419.25/18,190,177.80 - Step 6: Final answer
x = 27,285,266.70
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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.