Finding the Fourth Proportional to 11,520,973.44, 15,899,535.36 and 6,364,293.12
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Solution
The fourth proportional to 11,520,973.44, 15,899,535.36 and 6,364,293.12 is: 8,783,051.54
Step by Step Solution
- Step 1: Write the proportion equation
11,520,973.44 : 15,899,535.36 = 6,364,293.12 : x - Step 2: Convert to fraction form
11,520,973.44/15,899,535.36 = 6,364,293.12/x - Step 3: Cross multiply
11,520,973.44x = 15,899,535.36 × 6,364,293.12 - Step 4: Simplify right side
11,520,973.44x = 101,189,303,502,844.72 - Step 5: Solve for x
x = 101,189,303,502,844.72/11,520,973.44 - Step 6: Final answer
x = 8,783,051.54
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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.