Finding the Fourth Proportional to 48,317,291.92, 66,652,453.38 and 28,724,245.12
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Solution
The fourth proportional to 48,317,291.92, 66,652,453.38 and 28,724,245.12 is: 39,624,352.54
Step by Step Solution
- Step 1: Write the proportion equation
48,317,291.92 : 66,652,453.38 = 28,724,245.12 : x - Step 2: Convert to fraction form
48,317,291.92/66,652,453.38 = 28,724,245.12/x - Step 3: Cross multiply
48,317,291.92x = 66,652,453.38 × 28,724,245.12 - Step 4: Simplify right side
48,317,291.92x = 1,914,541,408,736,492.75 - Step 5: Solve for x
x = 1,914,541,408,736,492.75/48,317,291.92 - Step 6: Final answer
x = 39,624,352.54
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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.