Finding the Fourth Proportional to 26,862,382.80, 40,207,843.80 and 21,193,678.80
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Solution
The fourth proportional to 26,862,382.80, 40,207,843.80 and 21,193,678.80 is: 31,722,879.28
Step by Step Solution
- Step 1: Write the proportion equation
26,862,382.80 : 40,207,843.80 = 21,193,678.80 : x - Step 2: Convert to fraction form
26,862,382.80/40,207,843.80 = 21,193,678.80/x - Step 3: Cross multiply
26,862,382.80x = 40,207,843.80 × 21,193,678.80 - Step 4: Simplify right side
26,862,382.80x = 852,152,126,737,771.38 - Step 5: Solve for x
x = 852,152,126,737,771.38/26,862,382.80 - Step 6: Final answer
x = 31,722,879.28
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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.