Finding the Fourth Proportional to 54,649,977.38, 81,962,874.08 and 15,779,992.09
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Solution
The fourth proportional to 54,649,977.38, 81,962,874.08 and 15,779,992.09 is: 23,666,496.62
Step by Step Solution
- Step 1: Write the proportion equation
54,649,977.38 : 81,962,874.08 = 15,779,992.09 : x - Step 2: Convert to fraction form
54,649,977.38/81,962,874.08 = 15,779,992.09/x - Step 3: Cross multiply
54,649,977.38x = 81,962,874.08 × 15,779,992.09 - Step 4: Simplify right side
54,649,977.38x = 1,293,373,504,904,485.75 - Step 5: Solve for x
x = 1,293,373,504,904,485.75/54,649,977.38 - Step 6: Final answer
x = 23,666,496.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.