Finding the Fourth Proportional to 18,498,164.40, 27,747,246.60 and 8,914,511.70
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Solution
The fourth proportional to 18,498,164.40, 27,747,246.60 and 8,914,511.70 is: 13,371,767.55
Step by Step Solution
- Step 1: Write the proportion equation
18,498,164.40 : 27,747,246.60 = 8,914,511.70 : x - Step 2: Convert to fraction form
18,498,164.40/27,747,246.60 = 8,914,511.70/x - Step 3: Cross multiply
18,498,164.40x = 27,747,246.60 × 8,914,511.70 - Step 4: Simplify right side
18,498,164.40x = 247,353,154,458,485.22 - Step 5: Solve for x
x = 247,353,154,458,485.22/18,498,164.40 - Step 6: Final answer
x = 13,371,767.55
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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.