Finding the Fourth Proportional to 18,352,107.70, 27,528,064.35 and 4,705,227.70
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Solution
The fourth proportional to 18,352,107.70, 27,528,064.35 and 4,705,227.70 is: 7,057,816.63
Step by Step Solution
- Step 1: Write the proportion equation
18,352,107.70 : 27,528,064.35 = 4,705,227.70 : x - Step 2: Convert to fraction form
18,352,107.70/27,528,064.35 = 4,705,227.70/x - Step 3: Cross multiply
18,352,107.70x = 27,528,064.35 × 4,705,227.70 - Step 4: Simplify right side
18,352,107.70x = 129,525,810,907,002.50 - Step 5: Solve for x
x = 129,525,810,907,002.50/18,352,107.70 - Step 6: Final answer
x = 7,057,816.63
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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.