Finding the Fourth Proportional to 20,464,757.06, 28,241,454.94 and 11,297,475.14
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Solution
The fourth proportional to 20,464,757.06, 28,241,454.94 and 11,297,475.14 is: 15,590,565.48
Step by Step Solution
- Step 1: Write the proportion equation
20,464,757.06 : 28,241,454.94 = 11,297,475.14 : x - Step 2: Convert to fraction form
20,464,757.06/28,241,454.94 = 11,297,475.14/x - Step 3: Cross multiply
20,464,757.06x = 28,241,454.94 × 11,297,475.14 - Step 4: Simplify right side
20,464,757.06x = 319,057,134,932,629.25 - Step 5: Solve for x
x = 319,057,134,932,629.25/20,464,757.06 - Step 6: Final answer
x = 15,590,565.48
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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.