Finding the Fourth Proportional to 19,958,620.35, 27,542,841.17 and 11,137,977.36
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Solution
The fourth proportional to 19,958,620.35, 27,542,841.17 and 11,137,977.36 is: 15,370,378.11
Step by Step Solution
- Step 1: Write the proportion equation
19,958,620.35 : 27,542,841.17 = 11,137,977.36 : x - Step 2: Convert to fraction form
19,958,620.35/27,542,841.17 = 11,137,977.36/x - Step 3: Cross multiply
19,958,620.35x = 27,542,841.17 × 11,137,977.36 - Step 4: Simplify right side
19,958,620.35x = 306,771,541,325,846 - Step 5: Solve for x
x = 306,771,541,325,846/19,958,620.35 - Step 6: Final answer
x = 15,370,378.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.