Finding the Fourth Proportional to 18,125,911.06, 25,016,146.05 and 10,883,033.62
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Solution
The fourth proportional to 18,125,911.06, 25,016,146.05 and 10,883,033.62 is: 15,020,020.65
Step by Step Solution
- Step 1: Write the proportion equation
18,125,911.06 : 25,016,146.05 = 10,883,033.62 : x - Step 2: Convert to fraction form
18,125,911.06/25,016,146.05 = 10,883,033.62/x - Step 3: Cross multiply
18,125,911.06x = 25,016,146.05 × 10,883,033.62 - Step 4: Simplify right side
18,125,911.06x = 272,251,558,504,980.19 - Step 5: Solve for x
x = 272,251,558,504,980.19/18,125,911.06 - Step 6: Final answer
x = 15,020,020.65
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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.