Finding the Fourth Proportional to 16,816,799.13, 23,207,181.91 and 9,081,840.70
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Solution
The fourth proportional to 16,816,799.13, 23,207,181.91 and 9,081,840.70 is: 12,532,939.69
Step by Step Solution
- Step 1: Write the proportion equation
16,816,799.13 : 23,207,181.91 = 9,081,840.70 : x - Step 2: Convert to fraction form
16,816,799.13/23,207,181.91 = 9,081,840.70/x - Step 3: Cross multiply
16,816,799.13x = 23,207,181.91 × 9,081,840.70 - Step 4: Simplify right side
16,816,799.13x = 210,763,929,202,541.72 - Step 5: Solve for x
x = 210,763,929,202,541.72/16,816,799.13 - Step 6: Final answer
x = 12,532,939.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.