Finding the Fourth Proportional to 8,396,870.09, 11,583,236.51 and 5,778,828.99
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Solution
The fourth proportional to 8,396,870.09, 11,583,236.51 and 5,778,828.99 is: 7,971,725.44
Step by Step Solution
- Step 1: Write the proportion equation
8,396,870.09 : 11,583,236.51 = 5,778,828.99 : x - Step 2: Convert to fraction form
8,396,870.09/11,583,236.51 = 5,778,828.99/x - Step 3: Cross multiply
8,396,870.09x = 11,583,236.51 × 5,778,828.99 - Step 4: Simplify right side
8,396,870.09x = 66,937,542,942,014.43 - Step 5: Solve for x
x = 66,937,542,942,014.43/8,396,870.09 - Step 6: Final answer
x = 7,971,725.44
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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.