Finding the Fourth Proportional to 13,277,955.37, 18,325,324.56 and 7,477,870.99
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Solution
The fourth proportional to 13,277,955.37, 18,325,324.56 and 7,477,870.99 is: 10,320,445.36
Step by Step Solution
- Step 1: Write the proportion equation
13,277,955.37 : 18,325,324.56 = 7,477,870.99 : x - Step 2: Convert to fraction form
13,277,955.37/18,325,324.56 = 7,477,870.99/x - Step 3: Cross multiply
13,277,955.37x = 18,325,324.56 × 7,477,870.99 - Step 4: Simplify right side
13,277,955.37x = 137,034,412,909,558.52 - Step 5: Solve for x
x = 137,034,412,909,558.52/13,277,955.37 - Step 6: Final answer
x = 10,320,445.36
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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.