Finding the Fourth Proportional to 26,202,230.80, 39,273,821.70 and 12,561,911.80
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Solution
The fourth proportional to 26,202,230.80, 39,273,821.70 and 12,561,911.80 is: 18,828,713.02
Step by Step Solution
- Step 1: Write the proportion equation
26,202,230.80 : 39,273,821.70 = 12,561,911.80 : x - Step 2: Convert to fraction form
26,202,230.80/39,273,821.70 = 12,561,911.80/x - Step 3: Cross multiply
26,202,230.80x = 39,273,821.70 × 12,561,911.80 - Step 4: Simplify right side
26,202,230.80x = 493,354,284,244,326.12 - Step 5: Solve for x
x = 493,354,284,244,326.12/26,202,230.80 - Step 6: Final answer
x = 18,828,713.02
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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.