Finding the Fourth Proportional to 7,875,157.09, 10,870,118.75 and 4,568,286.99
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Solution
The fourth proportional to 7,875,157.09, 10,870,118.75 and 4,568,286.99 is: 6,305,629.40
Step by Step Solution
- Step 1: Write the proportion equation
7,875,157.09 : 10,870,118.75 = 4,568,286.99 : x - Step 2: Convert to fraction form
7,875,157.09/10,870,118.75 = 4,568,286.99/x - Step 3: Cross multiply
7,875,157.09x = 10,870,118.75 × 4,568,286.99 - Step 4: Simplify right side
7,875,157.09x = 49,657,822,076,800.78 - Step 5: Solve for x
x = 49,657,822,076,800.78/7,875,157.09 - Step 6: Final answer
x = 6,305,629.40
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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.