Finding the Fourth Proportional to 12,338,485.12, 17,026,933.44 and 6,831,331.84
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Solution
The fourth proportional to 12,338,485.12, 17,026,933.44 and 6,831,331.84 is: 9,427,140.48
Step by Step Solution
- Step 1: Write the proportion equation
12,338,485.12 : 17,026,933.44 = 6,831,331.84 : x - Step 2: Convert to fraction form
12,338,485.12/17,026,933.44 = 6,831,331.84/x - Step 3: Cross multiply
12,338,485.12x = 17,026,933.44 × 6,831,331.84 - Step 4: Simplify right side
12,338,485.12x = 116,316,632,546,232.73 - Step 5: Solve for x
x = 116,316,632,546,232.73/12,338,485.12 - Step 6: Final answer
x = 9,427,140.48
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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.