Finding the Fourth Proportional to 18,940,296.07, 28,410,503.55 and 5,293,352.49
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Solution
The fourth proportional to 18,940,296.07, 28,410,503.55 and 5,293,352.49 is: 7,940,045.35
Step by Step Solution
- Step 1: Write the proportion equation
18,940,296.07 : 28,410,503.55 = 5,293,352.49 : x - Step 2: Convert to fraction form
18,940,296.07/28,410,503.55 = 5,293,352.49/x - Step 3: Cross multiply
18,940,296.07x = 28,410,503.55 × 5,293,352.49 - Step 4: Simplify right side
18,940,296.07x = 150,386,809,708,546.34 - Step 5: Solve for x
x = 150,386,809,708,546.34/18,940,296.07 - Step 6: Final answer
x = 7,940,045.35
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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.