Finding the Fourth Proportional to 19,551,278.18, 29,328,356.58 and 5,174,249.10
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Solution
The fourth proportional to 19,551,278.18, 29,328,356.58 and 5,174,249.10 is: 7,761,754.56
Step by Step Solution
- Step 1: Write the proportion equation
19,551,278.18 : 29,328,356.58 = 5,174,249.10 : x - Step 2: Convert to fraction form
19,551,278.18/29,328,356.58 = 5,174,249.10/x - Step 3: Cross multiply
19,551,278.18x = 29,328,356.58 × 5,174,249.10 - Step 4: Simplify right side
19,551,278.18x = 151,752,222,638,544.06 - Step 5: Solve for x
x = 151,752,222,638,544.06/19,551,278.18 - Step 6: Final answer
x = 7,761,754.56
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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.