Finding the Fourth Proportional to 11,075,778.36, 15,285,341.39 and 6,181,955.19
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Solution
The fourth proportional to 11,075,778.36, 15,285,341.39 and 6,181,955.19 is: 8,531,526.40
Step by Step Solution
- Step 1: Write the proportion equation
11,075,778.36 : 15,285,341.39 = 6,181,955.19 : x - Step 2: Convert to fraction form
11,075,778.36/15,285,341.39 = 6,181,955.19/x - Step 3: Cross multiply
11,075,778.36x = 15,285,341.39 × 6,181,955.19 - Step 4: Simplify right side
11,075,778.36x = 94,493,295,505,922.55 - Step 5: Solve for x
x = 94,493,295,505,922.55/11,075,778.36 - Step 6: Final answer
x = 8,531,526.40
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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.