Finding the Fourth Proportional to 18,235,280.70, 27,352,921.05 and 17,395,472.70
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Solution
The fourth proportional to 18,235,280.70, 27,352,921.05 and 17,395,472.70 is: 26,093,209.05
Step by Step Solution
- Step 1: Write the proportion equation
18,235,280.70 : 27,352,921.05 = 17,395,472.70 : x - Step 2: Convert to fraction form
18,235,280.70/27,352,921.05 = 17,395,472.70/x - Step 3: Cross multiply
18,235,280.70x = 27,352,921.05 × 17,395,472.70 - Step 4: Simplify right side
18,235,280.70x = 475,816,991,390,530.31 - Step 5: Solve for x
x = 475,816,991,390,530.31/18,235,280.70 - Step 6: Final answer
x = 26,093,209.05
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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.