Finding the Fourth Proportional to 19,195,381.80, 26,348,623.74 and 16,971,202.80
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Solution
The fourth proportional to 19,195,381.80, 26,348,623.74 and 16,971,202.80 is: 23,295,594.83
Step by Step Solution
- Step 1: Write the proportion equation
19,195,381.80 : 26,348,623.74 = 16,971,202.80 : x - Step 2: Convert to fraction form
19,195,381.80/26,348,623.74 = 16,971,202.80/x - Step 3: Cross multiply
19,195,381.80x = 26,348,623.74 × 16,971,202.80 - Step 4: Simplify right side
19,195,381.80x = 447,167,836,992,434.44 - Step 5: Solve for x
x = 447,167,836,992,434.44/19,195,381.80 - Step 6: Final answer
x = 23,295,594.83
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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.