Finding the Fourth Proportional to 11,221,047.36, 15,477,864.48 and 7,782,033.60
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Solution
The fourth proportional to 11,221,047.36, 15,477,864.48 and 7,782,033.60 is: 10,734,226.28
Step by Step Solution
- Step 1: Write the proportion equation
11,221,047.36 : 15,477,864.48 = 7,782,033.60 : x - Step 2: Convert to fraction form
11,221,047.36/15,477,864.48 = 7,782,033.60/x - Step 3: Cross multiply
11,221,047.36x = 15,477,864.48 × 7,782,033.60 - Step 4: Simplify right side
11,221,047.36x = 120,449,261,439,606.53 - Step 5: Solve for x
x = 120,449,261,439,606.53/11,221,047.36 - Step 6: Final answer
x = 10,734,226.28
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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.