Finding the Fourth Proportional to 19,943,894.17, 27,535,382.76 and 12,511,745.65
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Solution
The fourth proportional to 19,943,894.17, 27,535,382.76 and 12,511,745.65 is: 17,274,244.56
Step by Step Solution
- Step 1: Write the proportion equation
19,943,894.17 : 27,535,382.76 = 12,511,745.65 : x - Step 2: Convert to fraction form
19,943,894.17/27,535,382.76 = 12,511,745.65/x - Step 3: Cross multiply
19,943,894.17x = 27,535,382.76 × 12,511,745.65 - Step 4: Simplify right side
19,943,894.17x = 344,515,705,468,515 - Step 5: Solve for x
x = 344,515,705,468,515/19,943,894.17 - Step 6: Final answer
x = 17,274,244.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.