Finding the Fourth Proportional to 11,555,973.87, 15,947,229.56 and 6,399,329.19
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Solution
The fourth proportional to 11,555,973.87, 15,947,229.56 and 6,399,329.19 is: 8,831,066.32
Step by Step Solution
- Step 1: Write the proportion equation
11,555,973.87 : 15,947,229.56 = 6,399,329.19 : x - Step 2: Convert to fraction form
11,555,973.87/15,947,229.56 = 6,399,329.19/x - Step 3: Cross multiply
11,555,973.87x = 15,947,229.56 × 6,399,329.19 - Step 4: Simplify right side
11,555,973.87x = 102,051,571,590,942.22 - Step 5: Solve for x
x = 102,051,571,590,942.22/11,555,973.87 - Step 6: Final answer
x = 8,831,066.32
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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.