Finding the Fourth Proportional to 19,375,821.26, 29,075,175.49 and 7,078,691.66
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Solution
The fourth proportional to 19,375,821.26, 29,075,175.49 and 7,078,691.66 is: 10,622,218.25
Step by Step Solution
- Step 1: Write the proportion equation
19,375,821.26 : 29,075,175.49 = 7,078,691.66 : x - Step 2: Convert to fraction form
19,375,821.26/29,075,175.49 = 7,078,691.66/x - Step 3: Cross multiply
19,375,821.26x = 29,075,175.49 × 7,078,691.66 - Step 4: Simplify right side
19,375,821.26x = 205,814,202,254,099.41 - Step 5: Solve for x
x = 205,814,202,254,099.41/19,375,821.26 - Step 6: Final answer
x = 10,622,218.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.