Finding the Fourth Proportional to 18,165,355.50, 27,240,122.61 and 5,208,647.34
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Solution
The fourth proportional to 18,165,355.50, 27,240,122.61 and 5,208,647.34 is: 7,810,702.75
Step by Step Solution
- Step 1: Write the proportion equation
18,165,355.50 : 27,240,122.61 = 5,208,647.34 : x - Step 2: Convert to fraction form
18,165,355.50/27,240,122.61 = 5,208,647.34/x - Step 3: Cross multiply
18,165,355.50x = 27,240,122.61 × 5,208,647.34 - Step 4: Simplify right side
18,165,355.50x = 141,884,192,173,850.34 - Step 5: Solve for x
x = 141,884,192,173,850.34/18,165,355.50 - Step 6: Final answer
x = 7,810,702.75
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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.