Finding the Fourth Proportional to 8,883,365.76, 12,258,299.16 and 5,211,895.68
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Solution
The fourth proportional to 8,883,365.76, 12,258,299.16 and 5,211,895.68 is: 7,191,978.60
Step by Step Solution
- Step 1: Write the proportion equation
8,883,365.76 : 12,258,299.16 = 5,211,895.68 : x - Step 2: Convert to fraction form
8,883,365.76/12,258,299.16 = 5,211,895.68/x - Step 3: Cross multiply
8,883,365.76x = 12,258,299.16 × 5,211,895.68 - Step 4: Simplify right side
8,883,365.76x = 63,888,976,436,151.62 - Step 5: Solve for x
x = 63,888,976,436,151.62/8,883,365.76 - Step 6: Final answer
x = 7,191,978.60
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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.