Finding the Fourth Proportional to 19,195,380.80, 26,348,622.37 and 16,971,201.80
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Solution
The fourth proportional to 19,195,380.80, 26,348,622.37 and 16,971,201.80 is: 23,295,593.46
Step by Step Solution
- Step 1: Write the proportion equation
19,195,380.80 : 26,348,622.37 = 16,971,201.80 : x - Step 2: Convert to fraction form
19,195,380.80/26,348,622.37 = 16,971,201.80/x - Step 3: Cross multiply
19,195,380.80x = 26,348,622.37 × 16,971,201.80 - Step 4: Simplify right side
19,195,380.80x = 447,167,787,393,264.31 - Step 5: Solve for x
x = 447,167,787,393,264.31/19,195,380.80 - Step 6: Final answer
x = 23,295,593.46
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.