Finding the Fourth Proportional to 19,588,046.20, 29,382,069.30 and 17,603,999.80
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Solution
The fourth proportional to 19,588,046.20, 29,382,069.30 and 17,603,999.80 is: 26,405,999.70
Step by Step Solution
- Step 1: Write the proportion equation
19,588,046.20 : 29,382,069.30 = 17,603,999.80 : x - Step 2: Convert to fraction form
19,588,046.20/29,382,069.30 = 17,603,999.80/x - Step 3: Cross multiply
19,588,046.20x = 29,382,069.30 × 17,603,999.80 - Step 4: Simplify right side
19,588,046.20x = 517,241,942,080,786.19 - Step 5: Solve for x
x = 517,241,942,080,786.19/19,588,046.20 - Step 6: Final answer
x = 26,405,999.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.