Finding the Fourth Proportional to 13,085,701.08, 18,058,583.97 and 7,284,874.92
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Solution
The fourth proportional to 13,085,701.08, 18,058,583.97 and 7,284,874.92 is: 10,053,303.58
Step by Step Solution
- Step 1: Write the proportion equation
13,085,701.08 : 18,058,583.97 = 7,284,874.92 : x - Step 2: Convert to fraction form
13,085,701.08/18,058,583.97 = 7,284,874.92/x - Step 3: Cross multiply
13,085,701.08x = 18,058,583.97 × 7,284,874.92 - Step 4: Simplify right side
13,085,701.08x = 131,554,525,453,767.02 - Step 5: Solve for x
x = 131,554,525,453,767.02/13,085,701.08 - Step 6: Final answer
x = 10,053,303.58
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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.